How do you calculate customer churn?

A. by dividing the number of customers gained by customers lost
B. by multiplying the numbers of customers gained by customers lost
C. by subtracting the number of customers gained by customers lost
D. by adding together the number of customers gained by customers lost

C. by subtracting the number of customers gained by customers lost

The formula for calculating customer churn is: (Number of customers at the beginning of the period - Number of customers at the end of the period) / Number of customers at the beginning of the period. This will give you the percentage of customers lost during that period.

is this right

Yes, that is correct. Subtracting the number of customers gained by customers lost gives you the net change in customers, which can then be used to calculate the churn rate. The churn rate is a measure of the number of customers who leave a company over a specific period of time.