How are these numbers calculated?

Big Games

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

Week of 5/9100.0*Average seed
Dundee 0 Inverness CT 1 +0.2
Hamilton 1 Partick Thistle 1 -0.1
Week of 5/23100.0*Average seed
Dundee Utd 3 Dundee 0 +0.4
Motherwell 0 Partick Thistle 0 -0.0
Points
Chance Will Win Championship