-82.4% is the change from 983 to 173
Calculation steps:
[( 173 - 983 ) ÷ 983] x 100 = -82.4%
Formula
Percentage change = [(173 - 983) / 983] x 100
Subtract the new number by the original number
173 - 983 = -810
-810 ÷ 983 = -0.8240081383519837
-0.8240081383519837 x 100 = -82.4%