-32.18% is the change from 985 to 668
Calculation steps:
[( 668 - 985 ) ÷ 985] x 100 = -32.18%
Formula
Percentage change = [(668 - 985) / 985] x 100
Subtract the new number by the original number
668 - 985 = -317
-317 ÷ 985 = -0.3218274111675127
-0.3218274111675127 x 100 = -32.18%