13.81% is the change from 420 to 478
Calculation steps:
[( 478 - 420 ) ÷ 420] x 100 = 13.81%
Formula
Percentage change = [(478 - 420) / 420] x 100
Subtract the new number by the original number
478 - 420 = 58
58 ÷ 420 = 0.1380952380952381
0.1380952380952381 x 100 = 13.81%