-48.05% is the change from 822 to 427
Calculation steps:
[( 427 - 822 ) ÷ 822] x 100 = -48.05%
Formula
Percentage change = [(427 - 822) / 822] x 100
Subtract the new number by the original number
427 - 822 = -395
-395 ÷ 822 = -0.4805352798053528
-0.4805352798053528 x 100 = -48.05%