-21.83% is the change from 449 to 351
Calculation steps:
[( 351 - 449 ) ÷ 449] x 100 = -21.83%
Formula
Percentage change = [(351 - 449) / 449] x 100
Subtract the new number by the original number
351 - 449 = -98
-98 ÷ 449 = -0.2182628062360802
-0.2182628062360802 x 100 = -21.83%