-20% is the change from 985 to 788
Calculation steps:
[( 788 - 985 ) ÷ 985] x 100 = -20%
Formula
Percentage change = [(788 - 985) / 985] x 100
Subtract the new number by the original number
788 - 985 = -197
-197 ÷ 985 = -0.2
-0.2 x 100 = -20%
Example