-52.47% is the change from 486 to 231
Calculation steps:
[( 231 - 486 ) ÷ 486] x 100 = -52.47%
Formula
Percentage change = [(231 - 486) / 486] x 100
Subtract the new number by the original number
231 - 486 = -255
-255 ÷ 486 = -0.5246913580246914
-0.5246913580246914 x 100 = -52.47%