99.37% is the change from 158 to 315
Calculation steps:
[( 315 - 158 ) ÷ 158] x 100 = 99.37%
Formula
Percentage change = [(315 - 158) / 158] x 100
Subtract the new number by the original number
315 - 158 = 157
157 ÷ 158 = 0.9936708860759493
0.9936708860759493 x 100 = 99.37%