-48.54% is the change from 822 to 423
Calculation steps:
[( 423 - 822 ) ÷ 822] x 100 = -48.54%
Formula
Percentage change = [(423 - 822) / 822] x 100
Subtract the new number by the original number
423 - 822 = -399
-399 ÷ 822 = -0.4854014598540146
-0.4854014598540146 x 100 = -48.54%