-2.9% is the change from 449 to 436
Calculation steps:
[( 436 - 449 ) ÷ 449] x 100 = -2.9%
Formula
Percentage change = [(436 - 449) / 449] x 100
Subtract the new number by the original number
436 - 449 = -13
-13 ÷ 449 = -0.028953229398663696
-0.028953229398663696 x 100 = -2.9%