114.81% is the change from 135 to 290
Calculation steps:
[( 290 - 135 ) ÷ 135] x 100 = 114.81%
Formula
Percentage change = [(290 - 135) / 135] x 100
Subtract the new number by the original number
290 - 135 = 155
155 ÷ 135 = 1.1481481481481481
1.1481481481481481 x 100 = 114.81%