-72.73% is the change from 143 to 39
Calculation steps:
[( 39 - 143 ) ÷ 143] x 100 = -72.73%
Formula
Percentage change = [(39 - 143) / 143] x 100
Subtract the new number by the original number
39 - 143 = -104
-104 ÷ 143 = -0.7272727272727273
-0.7272727272727273 x 100 = -72.73%