-48.66% is the change from 822 to 422
Calculation steps:
[( 422 - 822 ) ÷ 822] x 100 = -48.66%
Formula
Percentage change = [(422 - 822) / 822] x 100
Subtract the new number by the original number
422 - 822 = -400
-400 ÷ 822 = -0.48661800486618007
-0.48661800486618007 x 100 = -48.66%