-9.8% is the change from 449 to 405
Calculation steps:
[( 405 - 449 ) ÷ 449] x 100 = -9.8%
Formula
Percentage change = [(405 - 449) / 449] x 100
Subtract the new number by the original number
405 - 449 = -44
-44 ÷ 449 = -0.09799554565701558
-0.09799554565701558 x 100 = -9.8%