-44.72% is the change from 814 to 450
Calculation steps:
[( 450 - 814 ) ÷ 814] x 100 = -44.72%
Formula
Percentage change = [(450 - 814) / 814] x 100
Subtract the new number by the original number
450 - 814 = -364
-364 ÷ 814 = -0.44717444717444715
-0.44717444717444715 x 100 = -44.72%