-10.4% is the change from 673 to 603
Calculation steps:
[( 603 - 673 ) ÷ 673] x 100 = -10.4%
Formula
Percentage change = [(603 - 673) / 673] x 100
Subtract the new number by the original number
603 - 673 = -70
-70 ÷ 673 = -0.10401188707280833
-0.10401188707280833 x 100 = -10.4%