-52.92% is the change from 822 to 387
Calculation steps:
[( 387 - 822 ) ÷ 822] x 100 = -52.92%
Formula
Percentage change = [(387 - 822) / 822] x 100
Subtract the new number by the original number
387 - 822 = -435
-435 ÷ 822 = -0.5291970802919708
-0.5291970802919708 x 100 = -52.92%