-0.29% is the change from 691 to 689
Calculation steps:
[( 689 - 691 ) ÷ 691] x 100 = -0.29%
Formula
Percentage change = [(689 - 691) / 691] x 100
Subtract the new number by the original number
689 - 691 = -2
-2 ÷ 691 = -0.002894356005788712
-0.002894356005788712 x 100 = -0.29%