32.86% is the change from 420 to 558
Calculation steps:
[( 558 - 420 ) ÷ 420] x 100 = 32.86%
Formula
Percentage change = [(558 - 420) / 420] x 100
Subtract the new number by the original number
558 - 420 = 138
138 ÷ 420 = 0.32857142857142857
0.32857142857142857 x 100 = 32.86%