-34.15% is the change from 984 to 648
Calculation steps:
[( 648 - 984 ) ÷ 984] x 100 = -34.15%
Formula
Percentage change = [(648 - 984) / 984] x 100
Subtract the new number by the original number
648 - 984 = -336
-336 ÷ 984 = -0.34146341463414637
-0.34146341463414637 x 100 = -34.15%