-32.93% is the change from 984 to 660
Calculation steps:
[( 660 - 984 ) ÷ 984] x 100 = -32.93%
Formula
Percentage change = [(660 - 984) / 984] x 100
Subtract the new number by the original number
660 - 984 = -324
-324 ÷ 984 = -0.32926829268292684
-0.32926829268292684 x 100 = -32.93%