-94.88% is the change from 449 to 23
Calculation steps:
[( 23 - 449 ) ÷ 449] x 100 = -94.88%
Formula
Percentage change = [(23 - 449) / 449] x 100
Subtract the new number by the original number
23 - 449 = -426
-426 ÷ 449 = -0.9487750556792873
-0.9487750556792873 x 100 = -94.88%