19.85% is the change from 267 to 320
Calculation steps:
[( 320 - 267 ) ÷ 267] x 100 = 19.85%
Formula
Percentage change = [(320 - 267) / 267] x 100
Subtract the new number by the original number
320 - 267 = 53
53 ÷ 267 = 0.19850187265917604
0.19850187265917604 x 100 = 19.85%