518.52% is the change from 135 to 835
Calculation steps:
[( 835 - 135 ) ÷ 135] x 100 = 518.52%
Formula
Percentage change = [(835 - 135) / 135] x 100
Subtract the new number by the original number
835 - 135 = 700
700 ÷ 135 = 5.185185185185185
5.185185185185185 x 100 = 518.52%