-0.88% is the change from 685 to 679
Calculation steps:
[( 679 - 685 ) ÷ 685] x 100 = -0.88%
Formula
Percentage change = [(679 - 685) / 685] x 100
Subtract the new number by the original number
679 - 685 = -6
-6 ÷ 685 = -0.008759124087591242
-0.008759124087591242 x 100 = -0.88%