-30.28% is the change from 984 to 686
Calculation steps:
[( 686 - 984 ) ÷ 984] x 100 = -30.28%
Formula
Percentage change = [(686 - 984) / 984] x 100
Subtract the new number by the original number
686 - 984 = -298
-298 ÷ 984 = -0.30284552845528456
-0.30284552845528456 x 100 = -30.28%