-73.25% is the change from 673 to 180
Calculation steps:
[( 180 - 673 ) ÷ 673] x 100 = -73.25%
Formula
Percentage change = [(180 - 673) / 673] x 100
Subtract the new number by the original number
180 - 673 = -493
-493 ÷ 673 = -0.7325408618127786
-0.7325408618127786 x 100 = -73.25%