11.11% is the change from 135 to 150
Calculation steps:
[( 150 - 135 ) ÷ 135] x 100 = 11.11%
Formula
Percentage change = [(150 - 135) / 135] x 100
Subtract the new number by the original number
150 - 135 = 15
15 ÷ 135 = 0.1111111111111111
0.1111111111111111 x 100 = 11.11%