-99.11% is the change from 449 to 4
Calculation steps:
[( 4 - 449 ) ÷ 449] x 100 = -99.11%
Formula
Percentage change = [(4 - 449) / 449] x 100
Subtract the new number by the original number
4 - 449 = -445
-445 ÷ 449 = -0.9910913140311804
-0.9910913140311804 x 100 = -99.11%