Evaluating a startup: Churn Rate vs Dollar Revenue Retention

Kaushik N
1 min readDec 23, 2020

You are the founder of Startup ABC

End of year 1: You have acquired 1000 customers

End of year 2: You have 800 customers

You have lost 200. Is there something missing?

Just glancing at this number, it doesn’t seem like you are doing well

Churn Rate= (1000–800)/1000 = 20%

You have lost 20% of your customers.

Now, consider Dollar Revenue Retention

Let’s say, in the first year, all the customers opted for basic subscription

Cost of 1 basic subscription/annum = $1

Startup ABC’s net revenue in Y1 = $1 * 1000 = $1000

In year 2, out of 800, 400 opt for premium subscription, rest opt for basic subscription

Cost of 1 basic subscription/annum = $1

Cost of 1 premium subscription/annum = $2

Startup ABC’s net revenue in Y2 = ($1*400) + ($2*400) = $1200

It’s making more money now.

Dollar Revenue Retention = 1200/1000 = 120 DRR

While evaluating a startup, look into average industry churn rate, along with Dollar revenue retention to get the complete picture.

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