-52.37% is the change from 485 to 231
Calculation steps:
[( 231 - 485 ) ÷ 485] x 100 = -52.37%
Formula
Percentage change = [(231 - 485) / 485] x 100
Subtract the new number by the original number
231 - 485 = -254
-254 ÷ 485 = -0.5237113402061856
-0.5237113402061856 x 100 = -52.37%