Growth rate is a measure of how quickly a quantity is increasing or decreasing over time. In Excel, you can use the GROWTH function to calculate the growth rate of a data series. The GROWTH function takes three arguments: the starting value, the ending value, and the number of periods.
The following example shows how to use the GROWTH function to calculate the growth rate of a data series that represents the sales of a product over time. The data is in cells A2:A7.