28.81% is the change from 420 to 541
Calculation steps:
[( 541 - 420 ) ÷ 420] x 100 = 28.81%
Formula
Percentage change = [(541 - 420) / 420] x 100
Subtract the new number by the original number
541 - 420 = 121
121 ÷ 420 = 0.28809523809523807
0.28809523809523807 x 100 = 28.81%