34.32% is the change from 236 to 317
Calculation steps:
[( 317 - 236 ) ÷ 236] x 100 = 34.32%
Formula
Percentage change = [(317 - 236) / 236] x 100
Subtract the new number by the original number
317 - 236 = 81
81 ÷ 236 = 0.3432203389830508
0.3432203389830508 x 100 = 34.32%