-13.81% is the change from 449 to 387
Calculation steps:
[( 387 - 449 ) ÷ 449] x 100 = -13.81%
Formula
Percentage change = [(387 - 449) / 449] x 100
Subtract the new number by the original number
387 - 449 = -62
-62 ÷ 449 = -0.13808463251670378
-0.13808463251670378 x 100 = -13.81%