-23.78% is the change from 656 to 500
Calculation steps:
[( 500 - 656 ) ÷ 656] x 100 = -23.78%
Formula
Percentage change = [(500 - 656) / 656] x 100
Subtract the new number by the original number
500 - 656 = -156
-156 ÷ 656 = -0.23780487804878048
-0.23780487804878048 x 100 = -23.78%