83.24% is the change from 173 to 317
Calculation steps:
[( 317 - 173 ) ÷ 173] x 100 = 83.24%
Formula
Percentage change = [(317 - 173) / 173] x 100
Subtract the new number by the original number
317 - 173 = 144
144 ÷ 173 = 0.8323699421965318
0.8323699421965318 x 100 = 83.24%