540% is the change from 135 to 864
Calculation steps:
[( 864 - 135 ) ÷ 135] x 100 = 540%
Formula
Percentage change = [(864 - 135) / 135] x 100
Subtract the new number by the original number
864 - 135 = 729
729 ÷ 135 = 5.4
5.4 x 100 = 540%
Example