68.45% is the change from 317 to 534
Calculation steps:
[( 534 - 317 ) ÷ 317] x 100 = 68.45%
Formula
Percentage change = [(534 - 317) / 317] x 100
Subtract the new number by the original number
534 - 317 = 217
217 ÷ 317 = 0.6845425867507886
0.6845425867507886 x 100 = 68.45%