56.15% is the change from 317 to 495
Calculation steps:
[( 495 - 317 ) ÷ 317] x 100 = 56.15%
Formula
Percentage change = [(495 - 317) / 317] x 100
Subtract the new number by the original number
495 - 317 = 178
178 ÷ 317 = 0.5615141955835962
0.5615141955835962 x 100 = 56.15%