-22.27% is the change from 449 to 349
Calculation steps:
[( 349 - 449 ) ÷ 449] x 100 = -22.27%
Formula
Percentage change = [(349 - 449) / 449] x 100
Subtract the new number by the original number
349 - 449 = -100
-100 ÷ 449 = -0.22271714922049
-0.22271714922049 x 100 = -22.27%