-58.64% is the change from 822 to 340
Calculation steps:
[( 340 - 822 ) ÷ 822] x 100 = -58.64%
Formula
Percentage change = [(340 - 822) / 822] x 100
Subtract the new number by the original number
340 - 822 = -482
-482 ÷ 822 = -0.5863746958637469
-0.5863746958637469 x 100 = -58.64%