104.09% is the change from 220 to 449
Calculation steps:
[( 449 - 220 ) ÷ 220] x 100 = 104.09%
Formula
Percentage change = [(449 - 220) / 220] x 100
Subtract the new number by the original number
449 - 220 = 229
229 ÷ 220 = 1.040909090909091
1.040909090909091 x 100 = 104.09%