-45.26% is the change from 822 to 450
Calculation steps:
[( 450 - 822 ) ÷ 822] x 100 = -45.26%
Formula
Percentage change = [(450 - 822) / 822] x 100
Subtract the new number by the original number
450 - 822 = -372
-372 ÷ 822 = -0.45255474452554745
-0.45255474452554745 x 100 = -45.26%