-1.03% is the change from 680 to 673
Calculation steps:
[( 673 - 680 ) ÷ 680] x 100 = -1.03%
Formula
Percentage change = [(673 - 680) / 680] x 100
Subtract the new number by the original number
673 - 680 = -7
-7 ÷ 680 = -0.010294117647058823
-0.010294117647058823 x 100 = -1.03%