-25.56% is the change from 673 to 501
Calculation steps:
[( 501 - 673 ) ÷ 673] x 100 = -25.56%
Formula
Percentage change = [(501 - 673) / 673] x 100
Subtract the new number by the original number
501 - 673 = -172
-172 ÷ 673 = -0.2555720653789004
-0.2555720653789004 x 100 = -25.56%