How are these numbers calculated?

Big Games

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

Week of 2/22100.0*Relegated100.0*Average seed
Motherwell 1 St Mirren 2 +4.8
-0.1
Hamilton Accies 0 Motherwell 0 -1.6
+0.0
Aberdeen 1 Ross County 2 +0.3
Week of 3/3100.0*Relegated100.0*Average seed
Hibernian 1 Hearts 3 -15.0
+0.3
Rangers 0 Hamilton Accies 1 +11.8
-0.2
St Mirren 0 St Johnstone 0 +1.4
-0.0
Week of 3/7100.0*Relegated100.0*Average seed
St Mirren 1 Hearts 0 Yes
-0.4
Hamilton Accies 1 Kilmarnock 0 +14.5
-0.3
Celtic 5 St Mirren 0 -5.3
+0.1
Hearts 1 Motherwell 1 +4.6
-0.1
Points
Chance Will Win Championship