-44.99% is the change from 818 to 450
Calculation steps:
[( 450 - 818 ) ÷ 818] x 100 = -44.99%
Formula
Percentage change = [(450 - 818) / 818] x 100
Subtract the new number by the original number
450 - 818 = -368
-368 ÷ 818 = -0.44987775061124696
-0.44987775061124696 x 100 = -44.99%