66.88% is the change from 317 to 529
Calculation steps:
[( 529 - 317 ) ÷ 317] x 100 = 66.88%
Formula
Percentage change = [(529 - 317) / 317] x 100
Subtract the new number by the original number
529 - 317 = 212
212 ÷ 317 = 0.668769716088328
0.668769716088328 x 100 = 66.88%