-0.72% is the change from 691 to 686
Calculation steps:
[( 686 - 691 ) ÷ 691] x 100 = -0.72%
Formula
Percentage change = [(686 - 691) / 691] x 100
Subtract the new number by the original number
686 - 691 = -5
-5 ÷ 691 = -0.00723589001447178
-0.00723589001447178 x 100 = -0.72%