25.55% is the change from 317 to 398
Calculation steps:
[( 398 - 317 ) ÷ 317] x 100 = 25.55%
Formula
Percentage change = [(398 - 317) / 317] x 100
Subtract the new number by the original number
398 - 317 = 81
81 ÷ 317 = 0.2555205047318612
0.2555205047318612 x 100 = 25.55%