513.24% is the change from 136 to 834
Calculation steps:
[( 834 - 136 ) ÷ 136] x 100 = 513.24%
Formula
Percentage change = [(834 - 136) / 136] x 100
Subtract the new number by the original number
834 - 136 = 698
698 ÷ 136 = 5.132352941176471
5.132352941176471 x 100 = 513.24%