62.54% is the change from 315 to 512
Calculation steps:
[( 512 - 315 ) ÷ 315] x 100 = 62.54%
Formula
Percentage change = [(512 - 315) / 315] x 100
Subtract the new number by the original number
512 - 315 = 197
197 ÷ 315 = 0.6253968253968254
0.6253968253968254 x 100 = 62.54%