-44.1% is the change from 449 to 251
Calculation steps:
[( 251 - 449 ) ÷ 449] x 100 = -44.1%
Formula
Percentage change = [(251 - 449) / 449] x 100
Subtract the new number by the original number
251 - 449 = -198
-198 ÷ 449 = -0.44097995545657015
-0.44097995545657015 x 100 = -44.1%