-52.19% is the change from 822 to 393
Calculation steps:
[( 393 - 822 ) ÷ 822] x 100 = -52.19%
Formula
Percentage change = [(393 - 822) / 822] x 100
Subtract the new number by the original number
393 - 822 = -429
-429 ÷ 822 = -0.5218978102189781
-0.5218978102189781 x 100 = -52.19%