-48.42% is the change from 822 to 424
Calculation steps:
[( 424 - 822 ) ÷ 822] x 100 = -48.42%
Formula
Percentage change = [(424 - 822) / 822] x 100
Subtract the new number by the original number
424 - 822 = -398
-398 ÷ 822 = -0.48418491484184917
-0.48418491484184917 x 100 = -48.42%