-64.93% is the change from 673 to 236
Calculation steps:
[( 236 - 673 ) ÷ 673] x 100 = -64.93%
Formula
Percentage change = [(236 - 673) / 673] x 100
Subtract the new number by the original number
236 - 673 = -437
-437 ÷ 673 = -0.649331352154532
-0.649331352154532 x 100 = -64.93%