-39.59% is the change from 826 to 499
Calculation steps:
[( 499 - 826 ) ÷ 826] x 100 = -39.59%
Formula
Percentage change = [(499 - 826) / 826] x 100
Subtract the new number by the original number
499 - 826 = -327
-327 ÷ 826 = -0.39588377723970947
-0.39588377723970947 x 100 = -39.59%