225.36% is the change from 138 to 449
Calculation steps:
[( 449 - 138 ) ÷ 138] x 100 = 225.36%
Formula
Percentage change = [(449 - 138) / 138] x 100
Subtract the new number by the original number
449 - 138 = 311
311 ÷ 138 = 2.253623188405797
2.253623188405797 x 100 = 225.36%