-91.78% is the change from 998 to 82
Calculation steps:
[( 82 - 998 ) ÷ 998] x 100 = -91.78%
Formula
Percentage change = [(82 - 998) / 998] x 100
Subtract the new number by the original number
82 - 998 = -916
-916 ÷ 998 = -0.9178356713426854
-0.9178356713426854 x 100 = -91.78%