5.24% is the change from 420 to 442
Calculation steps:
[( 442 - 420 ) ÷ 420] x 100 = 5.24%
Formula
Percentage change = [(442 - 420) / 420] x 100
Subtract the new number by the original number
442 - 420 = 22
22 ÷ 420 = 0.05238095238095238
0.05238095238095238 x 100 = 5.24%