50.17% is the change from 299 to 449
Calculation steps:
[( 449 - 299 ) ÷ 299] x 100 = 50.17%
Formula
Percentage change = [(449 - 299) / 299] x 100
Subtract the new number by the original number
449 - 299 = 150
150 ÷ 299 = 0.5016722408026756
0.5016722408026756 x 100 = 50.17%