-89.3% is the change from 673 to 72
Calculation steps:
[( 72 - 673 ) ÷ 673] x 100 = -89.3%
Formula
Percentage change = [(72 - 673) / 673] x 100
Subtract the new number by the original number
72 - 673 = -601
-601 ÷ 673 = -0.8930163447251115
-0.8930163447251115 x 100 = -89.3%