30.73% is the change from 449 to 587
Calculation steps:
[( 587 - 449 ) ÷ 449] x 100 = 30.73%
Formula
Percentage change = [(587 - 449) / 449] x 100
Subtract the new number by the original number
587 - 449 = 138
138 ÷ 449 = 0.30734966592427615
0.30734966592427615 x 100 = 30.73%