46.99% is the change from 449 to 660
Calculation steps:
[( 660 - 449 ) ÷ 449] x 100 = 46.99%
Formula
Percentage change = [(660 - 449) / 449] x 100
Subtract the new number by the original number
660 - 449 = 211
211 ÷ 449 = 0.46993318485523383
0.46993318485523383 x 100 = 46.99%