-4.9% is the change from 449 to 427
Calculation steps:
[( 427 - 449 ) ÷ 449] x 100 = -4.9%
Formula
Percentage change = [(427 - 449) / 449] x 100
Subtract the new number by the original number
427 - 449 = -22
-22 ÷ 449 = -0.04899777282850779
-0.04899777282850779 x 100 = -4.9%