Alp SuleimanGrowth Partner

Churn / NRR

Churn rate is the share of customers (or revenue) lost in a period. Net Revenue Retention (NRR) compares what the existing customer base pays now, after expansion, contraction and churn, with what it paid at the start.

Core MetricsTerm 28 / 81

Formula

Churn = Customers lost ÷ Customers at start · NRR = (Starting MRR + Expansion − Contraction − Churn) ÷ Starting MRR × 100

In practice

An NRR above 100% means revenue grows even without new customers, one of the strongest signals in subscription businesses. Track churn separately by customer count and by revenue, because they can tell very different stories.

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