-9.09% is the change from 132 to 120
Calculation steps:
[( 120 - 132 ) ÷ 132] x 100 = -9.09%
Formula
Percentage change = [(120 - 132) / 132] x 100
Subtract the new number by the original number
120 - 132 = -12
-12 ÷ 132 = -0.09090909090909091
-0.09090909090909091 x 100 = -9.09%