-53.71% is the change from 499 to 231
Calculation steps:
[( 231 - 499 ) ÷ 499] x 100 = -53.71%
Formula
Percentage change = [(231 - 499) / 499] x 100
Subtract the new number by the original number
231 - 499 = -268
-268 ÷ 499 = -0.5370741482965932
-0.5370741482965932 x 100 = -53.71%