-39.16% is the change from 143 to 87
Calculation steps:
[( 87 - 143 ) ÷ 143] x 100 = -39.16%
Formula
Percentage change = [(87 - 143) / 143] x 100
Subtract the new number by the original number
87 - 143 = -56
-56 ÷ 143 = -0.3916083916083916
-0.3916083916083916 x 100 = -39.16%