76.51% is the change from 315 to 556
Calculation steps:
[( 556 - 315 ) ÷ 315] x 100 = 76.51%
Formula
Percentage change = [(556 - 315) / 315] x 100
Subtract the new number by the original number
556 - 315 = 241
241 ÷ 315 = 0.765079365079365
0.765079365079365 x 100 = 76.51%