-36.97% is the change from 449 to 283
Calculation steps:
[( 283 - 449 ) ÷ 449] x 100 = -36.97%
Formula
Percentage change = [(283 - 449) / 449] x 100
Subtract the new number by the original number
283 - 449 = -166
-166 ÷ 449 = -0.36971046770601335
-0.36971046770601335 x 100 = -36.97%