30.34% is the change from 267 to 348
Calculation steps:
[( 348 - 267 ) ÷ 267] x 100 = 30.34%
Formula
Percentage change = [(348 - 267) / 267] x 100
Subtract the new number by the original number
348 - 267 = 81
81 ÷ 267 = 0.30337078651685395
0.30337078651685395 x 100 = 30.34%