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
Aberdeen 1 Hibernian 2 +8.3
-0.1
Dunfermline 3 Aberdeen 0 -7.6
+0.1
St. Mirren 1 Hibernian 0 -6.2
+0.1
Inverness Caledonian Thistle FC 0 Dunfermline 0 +2.9
-0.0
Kilmarnock 4 Inverness Caledonian Thistle FC 3 -0.9
Week of 5/5100.0*Relegated100.0*Average seed
Hibernian 4 Dunfermline 0 +14.0
-0.2
St. Mirren 0 Inverness Caledonian Thistle FC 1 +1.8
Week of 5/13None
Points
Chance Will Win Championship