158.41% is the change from 315 to 814
Calculation steps:
[( 814 - 315 ) ÷ 315] x 100 = 158.41%
Formula
Percentage change = [(814 - 315) / 315] x 100
Subtract the new number by the original number
814 - 315 = 499
499 ÷ 315 = 1.584126984126984
1.584126984126984 x 100 = 158.41%