28.84% is the change from 267 to 344
Calculation steps:
[( 344 - 267 ) ÷ 267] x 100 = 28.84%
Formula
Percentage change = [(344 - 267) / 267] x 100
Subtract the new number by the original number
344 - 267 = 77
77 ÷ 267 = 0.2883895131086142
0.2883895131086142 x 100 = 28.84%