-20.81% is the change from 985 to 780
Calculation steps:
[( 780 - 985 ) ÷ 985] x 100 = -20.81%
Formula
Percentage change = [(780 - 985) / 985] x 100
Subtract the new number by the original number
780 - 985 = -205
-205 ÷ 985 = -0.20812182741116753
-0.20812182741116753 x 100 = -20.81%