-82.6% is the change from 994 to 173
Calculation steps:
[( 173 - 994 ) ÷ 994] x 100 = -82.6%
Formula
Percentage change = [(173 - 994) / 994] x 100
Subtract the new number by the original number
173 - 994 = -821
-821 ÷ 994 = -0.8259557344064387
-0.8259557344064387 x 100 = -82.6%