-98.17% is the change from 985 to 18
Calculation steps:
[( 18 - 985 ) ÷ 985] x 100 = -98.17%
Formula
Percentage change = [(18 - 985) / 985] x 100
Subtract the new number by the original number
18 - 985 = -967
-967 ÷ 985 = -0.9817258883248731
-0.9817258883248731 x 100 = -98.17%