Digital Marketing & Analytics
Basic
Churn Rate
Percentage of customers who stop using a product in a given period.
Formula
Variables
\text{Churn}Churn rate (%)
\text{Customers Lost}Customers who cancelled
\text{Customers at Start}Total customers at the beginning of the period
Example
50 lost out of 1 000 → Churn = 5 %
Did You Know?
Reducing churn by just 5 % can increase profitability by 25–95 %, according to Harvard Business School research.
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