54.63% is the change from 540 to 835
Calculation steps:
[( 835 - 540 ) ÷ 540] x 100 = 54.63%
Formula
Percentage change = [(835 - 540) / 540] x 100
Subtract the new number by the original number
835 - 540 = 295
295 ÷ 540 = 0.5462962962962963
0.5462962962962963 x 100 = 54.63%