-40.31% is the change from 449 to 268
Calculation steps:
[( 268 - 449 ) ÷ 449] x 100 = -40.31%
Formula
Percentage change = [(268 - 449) / 449] x 100
Subtract the new number by the original number
268 - 449 = -181
-181 ÷ 449 = -0.40311804008908686
-0.40311804008908686 x 100 = -40.31%