-23.17% is the change from 656 to 504
Calculation steps:
[( 504 - 656 ) ÷ 656] x 100 = -23.17%
Formula
Percentage change = [(504 - 656) / 656] x 100
Subtract the new number by the original number
504 - 656 = -152
-152 ÷ 656 = -0.23170731707317074
-0.23170731707317074 x 100 = -23.17%