-40.56% is the change from 143 to 85
Calculation steps:
[( 85 - 143 ) ÷ 143] x 100 = -40.56%
Formula
Percentage change = [(85 - 143) / 143] x 100
Subtract the new number by the original number
85 - 143 = -58
-58 ÷ 143 = -0.40559440559440557
-0.40559440559440557 x 100 = -40.56%