-79.2% is the change from 673 to 140
Calculation steps:
[( 140 - 673 ) ÷ 673] x 100 = -79.2%
Formula
Percentage change = [(140 - 673) / 673] x 100
Subtract the new number by the original number
140 - 673 = -533
-533 ÷ 673 = -0.7919762258543833
-0.7919762258543833 x 100 = -79.2%