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
Motherwell 2 Dundee 1 +4.1
-0.3
Partick Thistle 1 Ross County 1 -2.4
+0.1
Hamilton 2 Ross County 0 -0.7
-0.1
St Johnstone 1 Partick Thistle 1 -0.5
Week of 5/5100.0*Relegated100.0*Average seed
Dundee 1 Hamilton 0 -6.0
+0.6
Partick Thistle 0 Motherwell 1 No
Ross County 0 Dundee 1 No
+0.2
Hamilton 1 St Johnstone 2 -0.3
+0.1
Week of 5/12None
Points
Chance Will Win Championship