-98.17% is the change from 981 to 18
Calculation steps:
[( 18 - 981 ) ÷ 981] x 100 = -98.17%
Formula
Percentage change = [(18 - 981) / 981] x 100
Subtract the new number by the original number
18 - 981 = -963
-963 ÷ 981 = -0.981651376146789
-0.981651376146789 x 100 = -98.17%