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Written by Chloe Dormand SaaS specialist
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24 May 2021  |  SaaS

Churn analysis: 6 ways to measure churn in your SaaS business

12 minute read

6 essential ways to analyze churn, the key metrics that matter, and why you can’t afford to overlook the role of payments in churn.

All SaaS businesses share a common enemy: churn.   

Defined as the percentage of customers that cancel their subscriptions in any given time period, churn rate is an essential metric that can make, or break, the success of your SaaS business.  

That's why it's so critical to master churn analysis. No SaaS company can hang on to all its customers forever. But by understanding the nuances of why your customers churn, you can find more effective ways to reduce it. 

After all, there’s nothing worse than diving in to fix a problem without knowing exactly what’s causing it. 

In this guide, we’ll examine the details of churn analysis, including the 6 essential ways to analyze churn, the key metrics that matter, and why you can’t afford to overlook the role of payments in churn.

What is churn analysis?  

You might think that churn analysis mainly involves calculating your company’s churn rate. But understanding churn goes deeper than just numbers. 

Done properly, a good churn analysis provides a set of detailed insights on the factors affecting your churn rate.  

Most importantly, churn analysis should deliver a full picture of your customers’ needs and evaluate whether your company is meeting them. 

Armed with this knowledge, you can then decide how to allocate resources and make improvements, to slash churn and boost customer retention.

The importance of calculating churn  

First, let's zoom in on the numbers. Why is it so important to calculate churn? 

Churn has a resounding impact on your business. In short, lost customers means lost revenue. What's more, the cost of getting new customers can be five times higher than the cost of keeping existing ones. Excess churn is terrible for your bottom line. 

Reducing churn means playing the long game. Lots of little improvements add up to a better overall performance. With churn, the laws of compounding are on your side.  

Ways to calculate churn  

The basic formula to calculate churn rate is very simple: Number of customers canceling their subscription per time interval, divided by the number of customers at the beginning of that interval.

How to calculate customer churn rate -

That may seem simple in essence. But in practice, there are several ways to define churn in the SaaS industry.  

First, there’s customer level churn, where the customer cancels their account entirely. They end their relationship with your company. 

There's also subscription level churn. Here, the customer stays with you, but they downgrade their subscription service level (they might also upgrade it).  

As well as these different levels of churn, other factors play a role in influencing churn rates. Churn can be seasonal; you might find that it changes during certain months.  

Certain types of customers may churn more frequently than others. And finally, certain subscription levels may retain customers better than others. 

As you can see, churn can be complicated. 

One recommended method involves taking an average churn rate for every day of the month, then dividing it by the average customer count during that same time period. 

Here’s our explainer of how to calculate churn rate

Why analyzing churn is so important for SaaS businesses  

Analyzing churn is essential for any SaaS business, but many overlook it, seeing it as a sign of failure. But rather, churn should be viewed as a prime opportunity to learn and improve.  

Churn analysis allows you to evaluate strengths and weaknesses in your existing processes, while improving your ability to deal with, and prevent, future churn. 

Losing a few customers may seem insignificant at first. But churn is a metric that compounds over time. That’s why it's a good idea to conduct a churn analysis whenever you notice something out of the ordinary with your churn rate. 

Financial metrics are the first area of business that churn affects. Let's examine these metrics one by one.

Monthly Recurring Revenue (MRR)

Customer cancellations directly affect your MRR. To clarify this, you can calculate a metric called churn MRR rate , which provides a percentage for the impact of churn on your business.  

First add up the MRR of lost customers over a given time period, then divide this number by MRR for the same time period. 

Customer Lifetime Value (LTV)

The cost of attracting a new customer is always more than maintaining an existing one. LTV is the total value of your customer over the entire length of their relationship with your company.  

It's common for new SaaS companies to focus too heavily on acquiring new customers rather than keeping the existing ones.  

But that’s a mistake.  

If your churn rate is too high, you'll have to invest substantially in attracting new customers to match the ones you're losing. It makes more sense to tackle the churn rate first.

Customer Acquisition Cost (CAC)

This metric tells you how much you need to spend to acquire a new customer. As we already learned, it typically costs more to acquire a new one than maintain an existing one.  

A high churn rate means you’ll have to spend more money on acquiring new customers, which pushes up your CAC.  

Net Negative MRR Churn

Unlike regular churn, this metric is one to aspire to. Net negative churn means that total revenue from your existing customers surpasses the revenue lost to churn.  

Basically, your existing customers are spending enough extra money to offset the losses from those who churned. You can reach a net negative churn rate in several ways, including by upselling to existing customers, customers renewing their subscriptions or upgrading their plans.   

Revenue Churn

This is the way to measure revenue lost as a direct result of customer churn. You can measure it in either terms of MRR or ARR (annual recurring revenue). 

How to do churn analysis  

Churn affects more than just your business metrics. Churn rates also show you whether your customers are getting good value from your product or service. If your churn rate is high, it indicates that something is going wrong with this relationship.  

Customers who churn because they're not getting good value can damage the business in the long run, such as by negative word of mouth or online reviews.  

In short, you really can't afford to skip churn analysis. 

When preparing a churn analysis, it's important to think about churn in relation to both your business and your customers. The following suggested analysis methods will help you achieve this. 

Before starting your churn analysis, it's important to ask yourself: what problem am I trying to solve? This will help guide the analysis process and avoid wasting time on doing random searches in the data.  

To understand how to reduce churn, you'll first need to know the following: 

  • Which customers are churning? 

  • Why are they churning? 

  • Which customers are more likely to churn soon?  

Next, make sure you have accurate subscription data to work with. Once you've got all the data in front of you, it’s time to analyze it. 

6 ways to analyze churn  

1. By cohort  

Analyzing churn by cohort is a good way to begin your churn analysis. In cohort reports, you segment your customer base according to a specific time period.  

For example, you might decide to analyze churn according to a cohort of all customers who purchased your product in January 2021.  

Cohort reports are useful because they produce numbers which are not influenced by new customer acquisition.  

They also allow you to easily spot patterns in your customer base. You can easily compare different cohorts to figure out if seasonal trends affect your churn rate. The downside is that if you have a lot of cohorts, the analysis can get confusing. 

2. By customer age 

In this approach, you group your customers according to the length of time they’ve been with your company. Analyzing churn by age is invaluable for identifying patterns across your entire customer base without getting bogged down by too many cohorts.  

For example, you could measure churn rate during the first month of subscription, second month, and so on. 

If you find a higher churn rate during the first month, it might reveal an issue with your onboarding processes. Churn after 12 months could mean customers are leaving at the end of an annual contract. You can then focus efforts on ways to encourage them to renew. 

3. By geography 

You can gain important context by examining your customers’ locations. For example, local tax regulations, payment processing methods, and payment gateways vary according to country.  It’s essential for SaaS businesses to comply with these rules. 

If your customer base is widely spread around the world, you might be losing customers due to a lack of local payment options or lack of compliance with regulations. This is an urgent problem to address. 

4. By customer behavior 

Analyzing churn by behavior can reveal important patterns related to certain features of your product. Perhaps customers churn right after they use a specific feature. In that case, your product and engineering teams should dig in further to identify the issue and create a fix.  

On the other hand, if certain features help to retain customers, then you should focus on further improving and promoting those. Churn analysis of behavior is also a good opportunity to gain a better understanding of customer engagement. 

5. Voluntary vs involuntary churn  

There’s a critical difference between voluntary and involuntary churn. The former happens when a customer deliberately cancels or downgrades their subscription.  

Customers can churn voluntarily for various reasons, including receiving bad customer service, jumping ship to a competitor, or having a negative experience during onboarding.  

Or, voluntary churn could simply be down to changes in the customer’s budget situation or their overall needs. Whatever the reason, you should focus most of your strategic efforts on reducing voluntary churn. 

On the other hand, involuntary churn is often due to expired or declined payment cards, lack of funds, incorrect payment information, or poor payment routing . The unfortunate customer is left none the wiser. In fact, they’d likely have stayed with you if it weren’t for involuntary churn.  

The good news is, you can easily fix involuntary churn by implementing a robust payment processing infrastructure that includes smart, flexible dunning workflows. 

6. Payment methods 

Issues with payment methods are a major driver of involuntary churn. Yet, despite their importance, many SaaS companies continue to ignore the role of this core workflow.  

Your business’s approach to taking payments and optimizing for payment acceptance is a vital aspect of driving overall revenue. Even the world’s best sales team can’t overcome a poor payment acceptance workflow.  

Your payment acceptance rate is the proportion of successful payments out of the total payments attempted. Here's how to calculate it.

Payment acceptance calculation

You can download this data from your payment processor. It's important to take a nuanced approach when analyzing it, which requires examining retried payments, failed payments, different payment methods, payments from different countries, and so on.  

Here’s a detailed guide with further explanation of how to analyze and improve your payment acceptance.  

Other considerations when thinking about churn  

We've already looked at a long list of considerations for doing churn analysis the right way. But there are a few more to add. You can further enhance your churn analysis process by considering several other key points.  

Customer retention rate vs customer churn rate 

First, think carefully about your customer retention rate vs your customer churn rate. As a reminder, retention rate is the proportion of customers you've retained over a specific time period. 

It's the direct opposite of churn rate. For example, if your retention rate is 80%, your churn rate will be 20%. 

Here’s how to calculate customer retention rate: 

Customer retention rate calculation

Ideally, you should aim for a retention rate of as close to 100% as possible. Correspondingly, you should target 0% as the ideal customer churn rate. 

But, more realistically, you should benchmark your customer retention rate according to norms for your specific area of SaaS business. 

Managing your retention rate should be a primary focus for your business, because of the high cost of customer acquisition.  

One way to increase your retention rate is through delivering targeted customer interactions personalized to their specific needs, such as through your email list.   

Another way is by making sure your website includes a clear and comprehensive online help section, with human customer service reps easily available. 

Gross revenue retention rate vs net revenue retention rate 

These are two extremely important metrics that shine a bright light, not only on the health of your SaaS business but also on its potential for growth. 

Net revenue retention rate (NRR), also known as net dollar retention, is expressed as a percentage. It incorporates several types of customer activity, including upgrades, downgrades and churn.  

NRR tells you how much monthly or annual recurring revenue you’ve retained from current customers across a certain period.  

That's essential, because it tells you how much growth you're achieving, before acquiring any new customers. It reflects customer satisfaction on a core level, which in turn is a testament to the stickiness of your product or service.  

Calculate your net revenue retention rate and find out how much recurring revenue you’re losing.  

So, what’s the difference between gross revenue retention rate (GRR) and net revenue retention rate? It's simple, GRR doesn’t include upgrades or cross-sells.  

That means it's always equal to or less than NRR. Ideally, to get a 360° picture of your company’s growth, you should consider both metrics.   

How to calculate NRR  

NRR calculation

How to calculate GRR  

Gross revenue retention calculation

The importance of cross-referencing metrics  

On the surface, calculating churn seems like a straightforward undertaking. But, in reality, many factors go into the mix beyond just the simple metric of churn rate.   

To truly understand the nuances of churn and calculate its impact on your business, it's vital to take a holistic approach that considers all the metrics mentioned above.  

Customer retention is especially important, as it’s the flipside of customer churn. Improving retention rates not only cuts down your customer acquisition cost, but also helps you improve on the less tangible measures, such as customer satisfaction. 

Taken together, improving all these metrics can help you build a comprehensive strategy to reduce churn .  

The end goal? To boost your net revenue retention rate , which is fast becoming the holy grail of SaaS success measurements.  

Don't forget that reducing churn is a task with compounding returns. The sooner you put a strategy in place, the sooner you’ll start seeing encouraging progress. 

Avoid failed subscription payments and improve your churn rates. 

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