-39.29% is the change from 822 to 499
Calculation steps:
[( 499 - 822 ) ÷ 822] x 100 = -39.29%
Formula
Percentage change = [(499 - 822) / 822] x 100
Subtract the new number by the original number
499 - 822 = -323
-323 ÷ 822 = -0.3929440389294404
-0.3929440389294404 x 100 = -39.29%