-65.68% is the change from 673 to 231
Calculation steps:
[( 231 - 673 ) ÷ 673] x 100 = -65.68%
Formula
Percentage change = [(231 - 673) / 673] x 100
Subtract the new number by the original number
231 - 673 = -442
-442 ÷ 673 = -0.6567607726597325
-0.6567607726597325 x 100 = -65.68%