47.22% is the change from 449 to 661
Calculation steps:
[( 661 - 449 ) ÷ 449] x 100 = 47.22%
Formula
Percentage change = [(661 - 449) / 449] x 100
Subtract the new number by the original number
661 - 449 = 212
212 ÷ 449 = 0.47216035634743875
0.47216035634743875 x 100 = 47.22%