-17.78% is the change from 135 to 111
Calculation steps:
[( 111 - 135 ) ÷ 135] x 100 = -17.78%
Formula
Percentage change = [(111 - 135) / 135] x 100
Subtract the new number by the original number
111 - 135 = -24
-24 ÷ 135 = -0.17777777777777778
-0.17777777777777778 x 100 = -17.78%