-1.49% is the change from 673 to 663
Calculation steps:
[( 663 - 673 ) ÷ 673] x 100 = -1.49%
Formula
Percentage change = [(663 - 673) / 673] x 100
Subtract the new number by the original number
663 - 673 = -10
-10 ÷ 673 = -0.014858841010401188
-0.014858841010401188 x 100 = -1.49%