-81.5% is the change from 173 to 32
Calculation steps:
[( 32 - 173 ) ÷ 173] x 100 = -81.5%
Formula
Percentage change = [(32 - 173) / 173] x 100
Subtract the new number by the original number
32 - 173 = -141
-141 ÷ 173 = -0.815028901734104
-0.815028901734104 x 100 = -81.5%