-13.14% is the change from 449 to 390
Calculation steps:
[( 390 - 449 ) ÷ 449] x 100 = -13.14%
Formula
Percentage change = [(390 - 449) / 449] x 100
Subtract the new number by the original number
390 - 449 = -59
-59 ÷ 449 = -0.13140311804008908
-0.13140311804008908 x 100 = -13.14%