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 -10.1
+0.3
Dunfermline 3 Aberdeen 0 +8.2
St. Mirren 1 Hibernian 0 +5.7
-0.3
Inverness Caledonian Thistle FC 0 Dunfermline 0 -1.3
Kilmarnock 4 Inverness Caledonian Thistle FC 3 -0.1
Week of 5/5100.0*Relegated100.0*Average seed
Hibernian 4 Dunfermline 0 -16.7
+0.5
St. Mirren 0 Inverness Caledonian Thistle FC 1 +0.7
Week of 5/13None
Points
Chance Will Win Championship