-0.37% is the change from 268 to 267
Calculation steps:
[( 267 - 268 ) ÷ 268] x 100 = -0.37%
Formula
Percentage change = [(267 - 268) / 268] x 100
Subtract the new number by the original number
267 - 268 = -1
-1 ÷ 268 = -0.0037313432835820895
-0.0037313432835820895 x 100 = -0.37%