-12.92% is the change from 449 to 391
Calculation steps:
[( 391 - 449 ) ÷ 449] x 100 = -12.92%
Formula
Percentage change = [(391 - 449) / 449] x 100
Subtract the new number by the original number
391 - 449 = -58
-58 ÷ 449 = -0.1291759465478842
-0.1291759465478842 x 100 = -12.92%