How are these numbers calculated?

Big Games

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

Week of 4/28100.0*Chance wins title100.0*Average seed
Celtic 3 Rangers 0 -0.1
Rangers 5 Dundee Utd 0 +0.1
Week of 5/5100.0*Chance wins title100.0*Average seed
Rangers 0 Motherwell 0 No
+0.0
Week of 5/13None
Points
Chance Will Win Championship