49.44% is the change from 267 to 399
Calculation steps:
[( 399 - 267 ) ÷ 267] x 100 = 49.44%
Formula
Percentage change = [(399 - 267) / 267] x 100
Subtract the new number by the original number
399 - 267 = 132
132 ÷ 267 = 0.4943820224719101
0.4943820224719101 x 100 = 49.44%