-45.5% is the change from 822 to 448
Calculation steps:
[( 448 - 822 ) ÷ 822] x 100 = -45.5%
Formula
Percentage change = [(448 - 822) / 822] x 100
Subtract the new number by the original number
448 - 822 = -374
-374 ÷ 822 = -0.45498783454987834
-0.45498783454987834 x 100 = -45.5%