18.28% is the change from 268 to 317
Calculation steps:
[( 317 - 268 ) ÷ 268] x 100 = 18.28%
Formula
Percentage change = [(317 - 268) / 268] x 100
Subtract the new number by the original number
317 - 268 = 49
49 ÷ 268 = 0.1828358208955224
0.1828358208955224 x 100 = 18.28%