8.29% is the change from 422 to 457
Calculation steps:
[( 457 - 422 ) ÷ 422] x 100 = 8.29%
Formula
Percentage change = [(457 - 422) / 422] x 100
Subtract the new number by the original number
457 - 422 = 35
35 ÷ 422 = 0.08293838862559241
0.08293838862559241 x 100 = 8.29%