505.93% is the change from 135 to 818
Calculation steps:
[( 818 - 135 ) ÷ 135] x 100 = 505.93%
Formula
Percentage change = [(818 - 135) / 135] x 100
Subtract the new number by the original number
818 - 135 = 683
683 ÷ 135 = 5.059259259259259
5.059259259259259 x 100 = 505.93%