-68.5% is the change from 984 to 310
Calculation steps:
[( 310 - 984 ) ÷ 984] x 100 = -68.5%
Formula
Percentage change = [(310 - 984) / 984] x 100
Subtract the new number by the original number
310 - 984 = -674
-674 ÷ 984 = -0.6849593495934959
-0.6849593495934959 x 100 = -68.5%