-39.42% is the change from 822 to 498
Calculation steps:
[( 498 - 822 ) ÷ 822] x 100 = -39.42%
Formula
Percentage change = [(498 - 822) / 822] x 100
Subtract the new number by the original number
498 - 822 = -324
-324 ÷ 822 = -0.39416058394160586
-0.39416058394160586 x 100 = -39.42%