Tools · Interactive
Denominator selector
The same 12 cancellations. Four different groups to measure them against. Pick one and watch the percentage change.
This is the working example from A True Number Can Still Mislead You. The count never changes: 12 customers cancelled. What changes is which group of customers that 12 gets measured against, and the four groups here are genuinely nested, each one sitting entirely inside the next.
12 ÷ 120 = 10%
Opening-base churn