-51.89% is the change from 449 to 216
Calculation steps:
[( 216 - 449 ) ÷ 449] x 100 = -51.89%
Formula
Percentage change = [(216 - 449) / 449] x 100
Subtract the new number by the original number
216 - 449 = -233
-233 ÷ 449 = -0.5189309576837416
-0.5189309576837416 x 100 = -51.89%