-45.28% is the change from 159 to 87
Calculation steps:
[( 87 - 159 ) ÷ 159] x 100 = -45.28%
Formula
Percentage change = [(87 - 159) / 159] x 100
Subtract the new number by the original number
87 - 159 = -72
-72 ÷ 159 = -0.4528301886792453
-0.4528301886792453 x 100 = -45.28%