-32.69% is the change from 985 to 663
Calculation steps:
[( 663 - 985 ) ÷ 985] x 100 = -32.69%
Formula
Percentage change = [(663 - 985) / 985] x 100
Subtract the new number by the original number
663 - 985 = -322
-322 ÷ 985 = -0.3269035532994924
-0.3269035532994924 x 100 = -32.69%