517.65% is the change from 51 to 315
Calculation steps:
[( 315 - 51 ) ÷ 51] x 100 = 517.65%
Formula
Percentage change = [(315 - 51) / 51] x 100
Subtract the new number by the original number
315 - 51 = 264
264 ÷ 51 = 5.176470588235294
5.176470588235294 x 100 = 517.65%