-29.91% is the change from 936 to 656
Calculation steps:
[( 656 - 936 ) ÷ 936] x 100 = -29.91%
Formula
Percentage change = [(656 - 936) / 936] x 100
Subtract the new number by the original number
656 - 936 = -280
-280 ÷ 936 = -0.29914529914529914
-0.29914529914529914 x 100 = -29.91%