Calculate customer churn rate
Churn Rate = (Customers Lost ÷ Customers at Start of Period) × 100. If you started with 1000 customers and lost 50, churn = (50 ÷ 1000) × 100 = 5% monthly churn.
SaaS businesses target 3-5% monthly churn (15-20% annually). Enterprise software aims for <1% monthly. Consumer subscriptions may see 5-7% monthly. Industry and business model matter greatly.
Voluntary churn: customers actively cancel. Involuntary churn: failed payments, expired cards. Involuntary churn (often 20-40% of total) can be reduced through payment retry and card updater services.
At 5% monthly churn, you lose about 46% of customers yearly. To grow, new acquisitions must exceed churn. Reducing churn often provides better ROI than increasing acquisition.
Negative churn occurs when expansion revenue from existing customers (upgrades, add-ons) exceeds lost revenue from churned customers. It's a powerful growth driver that compounds over time.
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