-82.36% is the change from 981 to 173
Calculation steps:
[( 173 - 981 ) ÷ 981] x 100 = -82.36%
Formula
Percentage change = [(173 - 981) / 981] x 100
Subtract the new number by the original number
173 - 981 = -808
-808 ÷ 981 = -0.8236493374108053
-0.8236493374108053 x 100 = -82.36%