-53.45% is the change from 449 to 209
Calculation steps:
[( 209 - 449 ) ÷ 449] x 100 = -53.45%
Formula
Percentage change = [(209 - 449) / 449] x 100
Subtract the new number by the original number
209 - 449 = -240
-240 ÷ 449 = -0.534521158129176
-0.534521158129176 x 100 = -53.45%