-91.58% is the change from 998 to 84
Calculation steps:
[( 84 - 998 ) ÷ 998] x 100 = -91.58%
Formula
Percentage change = [(84 - 998) / 998] x 100
Subtract the new number by the original number
84 - 998 = -914
-914 ÷ 998 = -0.9158316633266533
-0.9158316633266533 x 100 = -91.58%