-22.05% is the change from 449 to 350
Calculation steps:
[( 350 - 449 ) ÷ 449] x 100 = -22.05%
Formula
Percentage change = [(350 - 449) / 449] x 100
Subtract the new number by the original number
350 - 449 = -99
-99 ÷ 449 = -0.22048997772828507
-0.22048997772828507 x 100 = -22.05%