-8.71% is the change from 448 to 409
Calculation steps:
[( 409 - 448 ) ÷ 448] x 100 = -8.71%
Formula
Percentage change = [(409 - 448) / 448] x 100
Subtract the new number by the original number
409 - 448 = -39
-39 ÷ 448 = -0.08705357142857142
-0.08705357142857142 x 100 = -8.71%