8.89% is the change from 135 to 147
Calculation steps:
[( 147 - 135 ) ÷ 135] x 100 = 8.89%
Formula
Percentage change = [(147 - 135) / 135] x 100
Subtract the new number by the original number
147 - 135 = 12
12 ÷ 135 = 0.08888888888888889
0.08888888888888889 x 100 = 8.89%