-97.97% is the change from 985 to 20
Calculation steps:
[( 20 - 985 ) ÷ 985] x 100 = -97.97%
Formula
Percentage change = [(20 - 985) / 985] x 100
Subtract the new number by the original number
20 - 985 = -965
-965 ÷ 985 = -0.9796954314720813
-0.9796954314720813 x 100 = -97.97%