-0.29% is the change from 681 to 679
Calculation steps:
[( 679 - 681 ) ÷ 681] x 100 = -0.29%
Formula
Percentage change = [(679 - 681) / 681] x 100
Subtract the new number by the original number
679 - 681 = -2
-2 ÷ 681 = -0.002936857562408223
-0.002936857562408223 x 100 = -0.29%