157.78% is the change from 315 to 812
Calculation steps:
[( 812 - 315 ) ÷ 315] x 100 = 157.78%
Formula
Percentage change = [(812 - 315) / 315] x 100
Subtract the new number by the original number
812 - 315 = 497
497 ÷ 315 = 1.5777777777777777
1.5777777777777777 x 100 = 157.78%