15.17% is the change from 422 to 486
Calculation steps:
[( 486 - 422 ) ÷ 422] x 100 = 15.17%
Formula
Percentage change = [(486 - 422) / 422] x 100
Subtract the new number by the original number
486 - 422 = 64
64 ÷ 422 = 0.15165876777251186
0.15165876777251186 x 100 = 15.17%