44.1% is the change from 449 to 647
Calculation steps:
[( 647 - 449 ) ÷ 449] x 100 = 44.1%
Formula
Percentage change = [(647 - 449) / 449] x 100
Subtract the new number by the original number
647 - 449 = 198
198 ÷ 449 = 0.44097995545657015
0.44097995545657015 x 100 = 44.1%