25.6% is the change from 336 to 422
Calculation steps:
[( 422 - 336 ) ÷ 336] x 100 = 25.6%
Formula
Percentage change = [(422 - 336) / 336] x 100
Subtract the new number by the original number
422 - 336 = 86
86 ÷ 336 = 0.25595238095238093
0.25595238095238093 x 100 = 25.6%