-90.42% is the change from 449 to 43
Calculation steps:
[( 43 - 449 ) ÷ 449] x 100 = -90.42%
Formula
Percentage change = [(43 - 449) / 449] x 100
Subtract the new number by the original number
43 - 449 = -406
-406 ÷ 449 = -0.9042316258351893
-0.9042316258351893 x 100 = -90.42%