The RE BRANDING of KFC logo has been modified and so on, but not modified too much to see, so as to be consistent and compatible with the modern age and is suitable for the target audience in the present.
The RE BRANDING KFC's logo has been modified from time to time. But change is not much to see in the picture to be consistent and appropriate to the era and the audiences of today.
The RE BRANDING of KFC changed their logo indefinitely. But the changing much. See figure to be consistent and the age and appropriate to the target current.