-30.43% is the change from 986 to 686
Calculation steps:
[( 686 - 986 ) ÷ 986] x 100 = -30.43%
Formula
Percentage change = [(686 - 986) / 986] x 100
Subtract the new number by the original number
686 - 986 = -300
-300 ÷ 986 = -0.30425963488843816
-0.30425963488843816 x 100 = -30.43%