-89.14% is the change from 672 to 73
Calculation steps:
[( 73 - 672 ) ÷ 672] x 100 = -89.14%
Formula
Percentage change = [(73 - 672) / 672] x 100
Subtract the new number by the original number
73 - 672 = -599
-599 ÷ 672 = -0.8913690476190477
-0.8913690476190477 x 100 = -89.14%