-6.74% is the change from 267 to 249
Calculation steps:
[( 249 - 267 ) ÷ 267] x 100 = -6.74%
Formula
Percentage change = [(249 - 267) / 267] x 100
Subtract the new number by the original number
249 - 267 = -18
-18 ÷ 267 = -0.06741573033707865
-0.06741573033707865 x 100 = -6.74%