-34.09% is the change from 132 to 87
Calculation steps:
[( 87 - 132 ) ÷ 132] x 100 = -34.09%
Formula
Percentage change = [(87 - 132) / 132] x 100
Subtract the new number by the original number
87 - 132 = -45
-45 ÷ 132 = -0.3409090909090909
-0.3409090909090909 x 100 = -34.09%