313.71% is the change from 197 to 815
Calculation steps:
[( 815 - 197 ) ÷ 197] x 100 = 313.71%
Formula
Percentage change = [(815 - 197) / 197] x 100
Subtract the new number by the original number
815 - 197 = 618
618 ÷ 197 = 3.1370558375634516
3.1370558375634516 x 100 = 313.71%