-31% is the change from 984 to 679
Calculation steps:
[( 679 - 984 ) ÷ 984] x 100 = -31%
Formula
Percentage change = [(679 - 984) / 984] x 100
Subtract the new number by the original number
679 - 984 = -305
-305 ÷ 984 = -0.3099593495934959
-0.3099593495934959 x 100 = -31%