-43.87% is the change from 155 to 87
Calculation steps:
[( 87 - 155 ) ÷ 155] x 100 = -43.87%
Formula
Percentage change = [(87 - 155) / 155] x 100
Subtract the new number by the original number
87 - 155 = -68
-68 ÷ 155 = -0.43870967741935485
-0.43870967741935485 x 100 = -43.87%