-40.27% is the change from 822 to 491
Calculation steps:
[( 491 - 822 ) ÷ 822] x 100 = -40.27%
Formula
Percentage change = [(491 - 822) / 822] x 100
Subtract the new number by the original number
491 - 822 = -331
-331 ÷ 822 = -0.402676399026764
-0.402676399026764 x 100 = -40.27%