-30.08% is the change from 984 to 688
Calculation steps:
[( 688 - 984 ) ÷ 984] x 100 = -30.08%
Formula
Percentage change = [(688 - 984) / 984] x 100
Subtract the new number by the original number
688 - 984 = -296
-296 ÷ 984 = -0.3008130081300813
-0.3008130081300813 x 100 = -30.08%