-85.57% is the change from 672 to 97
Calculation steps:
[( 97 - 672 ) ÷ 672] x 100 = -85.57%
Formula
Percentage change = [(97 - 672) / 672] x 100
Subtract the new number by the original number
97 - 672 = -575
-575 ÷ 672 = -0.8556547619047619
-0.8556547619047619 x 100 = -85.57%