-49.67% is the change from 449 to 226
Calculation steps:
[( 226 - 449 ) ÷ 449] x 100 = -49.67%
Formula
Percentage change = [(226 - 449) / 449] x 100
Subtract the new number by the original number
226 - 449 = -223
-223 ÷ 449 = -0.49665924276169265
-0.49665924276169265 x 100 = -49.67%