Customer Retention Rate Calculator

Customer Continuity

Retention rate measures how many original customers stayed through the period.

Formula: retention = (end customers - new customers) / start customers x 100.

Understanding Customer Retention Rate

1. What This Calculator Measures

Retention rate measures how many starting customers remained after excluding new customers.

2. How the Calculation Works

The calculator subtracts new customers from ending customers, then divides by starting customers.

3. Formula or Rule Used

retention = (end - new) / start x 100.

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