-35.56% is the change from 135 to 87
Calculation steps:
[( 87 - 135 ) ÷ 135] x 100 = -35.56%
Formula
Percentage change = [(87 - 135) / 135] x 100
Subtract the new number by the original number
87 - 135 = -48
-48 ÷ 135 = -0.35555555555555557
-0.35555555555555557 x 100 = -35.56%