-28.83% is the change from 673 to 479
Calculation steps:
[( 479 - 673 ) ÷ 673] x 100 = -28.83%
Formula
Percentage change = [(479 - 673) / 673] x 100
Subtract the new number by the original number
479 - 673 = -194
-194 ÷ 673 = -0.28826151560178304
-0.28826151560178304 x 100 = -28.83%