-73.11% is the change from 673 to 181
Calculation steps:
[( 181 - 673 ) ÷ 673] x 100 = -73.11%
Formula
Percentage change = [(181 - 673) / 673] x 100
Subtract the new number by the original number
181 - 673 = -492
-492 ÷ 673 = -0.7310549777117384
-0.7310549777117384 x 100 = -73.11%