81.14% is the change from 175 to 317
Calculation steps:
[( 317 - 175 ) ÷ 175] x 100 = 81.14%
Formula
Percentage change = [(317 - 175) / 175] x 100
Subtract the new number by the original number
317 - 175 = 142
142 ÷ 175 = 0.8114285714285714
0.8114285714285714 x 100 = 81.14%