This article was originally published at https://saastools.corenk.com/articles/saas-churn-rate-formula You closed the month at $12,750 MRR. But when you opened your dashboard on the 3rd, $890 had quietly walked out the door — six cancellations, one downgrade, and two payment failures that won’t retry. That $890 won’t come back. And next month, the same silent arithmetic starts all over again. If the only number you’re tracking is a rough churn percentage from your billing tool, you are fly...