How are these numbers calculated?

Big Games

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

Week of 5/5100.0*Relegated100.0*Average seed
Dunfermline 4 Motherwell 1 +17.1
-0.1
Week of 5/12100.0*Relegated100.0*Average seed
Inverness CT 2 Dunfermline 1 -21.7
+0.2
Week of 5/19100.0*Relegated100.0*Average seed
St. Mirren 0 Inverness CT 1 -0.3
Dundee Utd 0 Motherwell 0 +0.0
Points
Chance Will Win Championship