64.13% is the change from 315 to 517
Calculation steps:
[( 517 - 315 ) ÷ 315] x 100 = 64.13%
Formula
Percentage change = [(517 - 315) / 315] x 100
Subtract the new number by the original number
517 - 315 = 202
202 ÷ 315 = 0.6412698412698413
0.6412698412698413 x 100 = 64.13%