-98.17% is the change from 984 to 18
Calculation steps:
[( 18 - 984 ) ÷ 984] x 100 = -98.17%
Formula
Percentage change = [(18 - 984) / 984] x 100
Subtract the new number by the original number
18 - 984 = -966
-966 ÷ 984 = -0.9817073170731707
-0.9817073170731707 x 100 = -98.17%