223.02% is the change from 139 to 449
Calculation steps:
[( 449 - 139 ) ÷ 139] x 100 = 223.02%
Formula
Percentage change = [(449 - 139) / 139] x 100
Subtract the new number by the original number
449 - 139 = 310
310 ÷ 139 = 2.2302158273381294
2.2302158273381294 x 100 = 223.02%