26.19% is the change from 336 to 424
Calculation steps:
[( 424 - 336 ) ÷ 336] x 100 = 26.19%
Formula
Percentage change = [(424 - 336) / 336] x 100
Subtract the new number by the original number
424 - 336 = 88
88 ÷ 336 = 0.2619047619047619
0.2619047619047619 x 100 = 26.19%