-82.73% is the change from 996 to 172
Calculation steps:
[( 172 - 996 ) ÷ 996] x 100 = -82.73%
Formula
Percentage change = [(172 - 996) / 996] x 100
Subtract the new number by the original number
172 - 996 = -824
-824 ÷ 996 = -0.8273092369477911
-0.8273092369477911 x 100 = -82.73%