220.71% is the change from 140 to 449
Calculation steps:
[( 449 - 140 ) ÷ 140] x 100 = 220.71%
Formula
Percentage change = [(449 - 140) / 140] x 100
Subtract the new number by the original number
449 - 140 = 309
309 ÷ 140 = 2.2071428571428573
2.2071428571428573 x 100 = 220.71%