-16.85% is the change from 985 to 819
Calculation steps:
[( 819 - 985 ) ÷ 985] x 100 = -16.85%
Formula
Percentage change = [(819 - 985) / 985] x 100
Subtract the new number by the original number
819 - 985 = -166
-166 ÷ 985 = -0.16852791878172588
-0.16852791878172588 x 100 = -16.85%