26.81% is the change from 317 to 402
Calculation steps:
[( 402 - 317 ) ÷ 317] x 100 = 26.81%
Formula
Percentage change = [(402 - 317) / 317] x 100
Subtract the new number by the original number
402 - 317 = 85
85 ÷ 317 = 0.26813880126182965
0.26813880126182965 x 100 = 26.81%