-23.87% is the change from 331 to 252
Calculation steps:
[( 252 - 331 ) ÷ 331] x 100 = -23.87%
Formula
Percentage change = [(252 - 331) / 331] x 100
Subtract the new number by the original number
252 - 331 = -79
-79 ÷ 331 = -0.23867069486404835
-0.23867069486404835 x 100 = -23.87%