-49.03% is the change from 822 to 419
Calculation steps:
[( 419 - 822 ) ÷ 822] x 100 = -49.03%
Formula
Percentage change = [(419 - 822) / 822] x 100
Subtract the new number by the original number
419 - 822 = -403
-403 ÷ 822 = -0.4902676399026764
-0.4902676399026764 x 100 = -49.03%