28.13% is the change from 512 to 656
Calculation steps:
[( 656 - 512 ) ÷ 512] x 100 = 28.13%
Formula
Percentage change = [(656 - 512) / 512] x 100
Subtract the new number by the original number
656 - 512 = 144
144 ÷ 512 = 0.28125
0.28125 x 100 = 28.13%