30.94% is the change from 501 to 656
Calculation steps:
[( 656 - 501 ) ÷ 501] x 100 = 30.94%
Formula
Percentage change = [(656 - 501) / 501] x 100
Subtract the new number by the original number
656 - 501 = 155
155 ÷ 501 = 0.3093812375249501
0.3093812375249501 x 100 = 30.94%