How are these numbers calculated?

Big Games

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

Week of 5/6100.0*Relegated100.0*Average seed
Kilmarnock 0 Dundee 1 +0.7
-0.5
Inverness CT 2 Hamilton 1 -0.2
+0.0
Motherwell 0 Ross County 1 -0.2
-0.1
Partick Thistle 1 Rangers 2 +0.1
Week of 5/13100.0*Relegated100.0*Average seed
Kilmarnock 2 Inverness CT 1 No
+0.5
Hamilton 0 Motherwell 1 -0.1
-0.0
Dundee 1 Ross County 1 +0.1
Motherwell 3 Kilmarnock 1 -0.5
Dundee 0 Inverness CT 2 +0.2
Ross County 3 Hamilton 2 -0.1
Partick Thistle 0 Celtic 5 +0.1
St. Johnstone 1 Partick Thistle 0 +0.1
Week of 5/20100.0*Relegated100.0*Average seed
Kilmarnock 1 Ross County 2 -0.9
Inverness CT 3 Motherwell 2 +0.1
Points
Chance Will Win Championship