-4.23% is the change from 709 to 679
Calculation steps:
[( 679 - 709 ) ÷ 709] x 100 = -4.23%
Formula
Percentage change = [(679 - 709) / 709] x 100
Subtract the new number by the original number
679 - 709 = -30
-30 ÷ 709 = -0.04231311706629055
-0.04231311706629055 x 100 = -4.23%