39.74% is the change from 302 to 422
Calculation steps:
[( 422 - 302 ) ÷ 302] x 100 = 39.74%
Formula
Percentage change = [(422 - 302) / 302] x 100
Subtract the new number by the original number
422 - 302 = 120
120 ÷ 302 = 0.3973509933774834
0.3973509933774834 x 100 = 39.74%