-74.44% is the change from 673 to 172
Calculation steps:
[( 172 - 673 ) ÷ 673] x 100 = -74.44%
Formula
Percentage change = [(172 - 673) / 673] x 100
Subtract the new number by the original number
172 - 673 = -501
-501 ÷ 673 = -0.7444279346210996
-0.7444279346210996 x 100 = -74.44%