How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/30100.0*Average seed
Celtic 4 Dundee Utd 1 -0.0
Week of 5/7100.0*Average seed
Rangers 2 Dundee Utd 0 -0.0
Week of 5/14None
Points
Chance Will Win Championship