-52.78% is the change from 449 to 212
Calculation steps:
[( 212 - 449 ) ÷ 449] x 100 = -52.78%
Formula
Percentage change = [(212 - 449) / 449] x 100
Subtract the new number by the original number
212 - 449 = -237
-237 ÷ 449 = -0.5278396436525612
-0.5278396436525612 x 100 = -52.78%