-7.68% is the change from 729 to 673
Calculation steps:
[( 673 - 729 ) ÷ 729] x 100 = -7.68%
Formula
Percentage change = [(673 - 729) / 729] x 100
Subtract the new number by the original number
673 - 729 = -56
-56 ÷ 729 = -0.07681755829903979
-0.07681755829903979 x 100 = -7.68%