-47.93% is the change from 822 to 428
Calculation steps:
[( 428 - 822 ) ÷ 822] x 100 = -47.93%
Formula
Percentage change = [(428 - 822) / 822] x 100
Subtract the new number by the original number
428 - 822 = -394
-394 ÷ 822 = -0.4793187347931874
-0.4793187347931874 x 100 = -47.93%