-47.88% is the change from 449 to 234
Calculation steps:
[( 234 - 449 ) ÷ 449] x 100 = -47.88%
Formula
Percentage change = [(234 - 449) / 449] x 100
Subtract the new number by the original number
234 - 449 = -215
-215 ÷ 449 = -0.47884187082405344
-0.47884187082405344 x 100 = -47.88%