135.21% is the change from 355 to 835
Calculation steps:
[( 835 - 355 ) ÷ 355] x 100 = 135.21%
Formula
Percentage change = [(835 - 355) / 355] x 100
Subtract the new number by the original number
835 - 355 = 480
480 ÷ 355 = 1.352112676056338
1.352112676056338 x 100 = 135.21%