30.16% is the change from 504 to 656
Calculation steps:
[( 656 - 504 ) ÷ 504] x 100 = 30.16%
Formula
Percentage change = [(656 - 504) / 504] x 100
Subtract the new number by the original number
656 - 504 = 152
152 ÷ 504 = 0.30158730158730157
0.30158730158730157 x 100 = 30.16%