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*Relegated100.0*Average seed
St. Mirren 1 Hibernian 0 -0.2
+0.3
Dunfermline 3 Aberdeen 0 +0.1
+0.1
Kilmarnock 0 St. Mirren 2 +0.4
Aberdeen 1 Hibernian 2 +0.1
Inverness Caledonian Thistle FC 0 Dunfermline 0 +0.0
Week of 5/5100.0*Relegated100.0*Average seed
St. Mirren 0 Inverness Caledonian Thistle FC 1 -0.3
Kilmarnock 1 Aberdeen 1 +0.1
Week of 5/13None
Points
Chance Will Win Championship