56.19% is the change from 420 to 656
Calculation steps:
[( 656 - 420 ) ÷ 420] x 100 = 56.19%
Formula
Percentage change = [(656 - 420) / 420] x 100
Subtract the new number by the original number
656 - 420 = 236
236 ÷ 420 = 0.5619047619047619
0.5619047619047619 x 100 = 56.19%