9.52% is the change from 420 to 460
Calculation steps:
[( 460 - 420 ) ÷ 420] x 100 = 9.52%
Formula
Percentage change = [(460 - 420) / 420] x 100
Subtract the new number by the original number
460 - 420 = 40
40 ÷ 420 = 0.09523809523809523
0.09523809523809523 x 100 = 9.52%