38.81% is the change from 420 to 583
Calculation steps:
[( 583 - 420 ) ÷ 420] x 100 = 38.81%
Formula
Percentage change = [(583 - 420) / 420] x 100
Subtract the new number by the original number
583 - 420 = 163
163 ÷ 420 = 0.3880952380952381
0.3880952380952381 x 100 = 38.81%