-47.31% is the change from 854 to 450
Calculation steps:
[( 450 - 854 ) ÷ 854] x 100 = -47.31%
Formula
Percentage change = [(450 - 854) / 854] x 100
Subtract the new number by the original number
450 - 854 = -404
-404 ÷ 854 = -0.47306791569086654
-0.47306791569086654 x 100 = -47.31%