-78.9% is the change from 673 to 142
Calculation steps:
[( 142 - 673 ) ÷ 673] x 100 = -78.9%
Formula
Percentage change = [(142 - 673) / 673] x 100
Subtract the new number by the original number
142 - 673 = -531
-531 ÷ 673 = -0.7890044576523031
-0.7890044576523031 x 100 = -78.9%