-32.39% is the change from 985 to 666
Calculation steps:
[( 666 - 985 ) ÷ 985] x 100 = -32.39%
Formula
Percentage change = [(666 - 985) / 985] x 100
Subtract the new number by the original number
666 - 985 = -319
-319 ÷ 985 = -0.3238578680203046
-0.3238578680203046 x 100 = -32.39%