512.59% is the change from 135 to 827
Calculation steps:
[( 827 - 135 ) ÷ 135] x 100 = 512.59%
Formula
Percentage change = [(827 - 135) / 135] x 100
Subtract the new number by the original number
827 - 135 = 692
692 ÷ 135 = 5.125925925925926
5.125925925925926 x 100 = 512.59%