-65.63% is the change from 672 to 231
Calculation steps:
[( 231 - 672 ) ÷ 672] x 100 = -65.63%
Formula
Percentage change = [(231 - 672) / 672] x 100
Subtract the new number by the original number
231 - 672 = -441
-441 ÷ 672 = -0.65625
-0.65625 x 100 = -65.63%