33.75% is the change from 317 to 424
Calculation steps:
[( 424 - 317 ) ÷ 317] x 100 = 33.75%
Formula
Percentage change = [(424 - 317) / 317] x 100
Subtract the new number by the original number
424 - 317 = 107
107 ÷ 317 = 0.33753943217665616
0.33753943217665616 x 100 = 33.75%