95.24% is the change from 315 to 615
Calculation steps:
[( 615 - 315 ) ÷ 315] x 100 = 95.24%
Formula
Percentage change = [(615 - 315) / 315] x 100
Subtract the new number by the original number
615 - 315 = 300
300 ÷ 315 = 0.9523809523809523
0.9523809523809523 x 100 = 95.24%