-24.5% is the change from 449 to 339
Calculation steps:
[( 339 - 449 ) ÷ 449] x 100 = -24.5%
Formula
Percentage change = [(339 - 449) / 449] x 100
Subtract the new number by the original number
339 - 449 = -110
-110 ÷ 449 = -0.24498886414253898
-0.24498886414253898 x 100 = -24.5%