How are these numbers calculated?

Big Games

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

Week of 4/30100.0*Relegated100.0*Average seed
Hamilton 0 Kilmarnock 4 +0.1
Partick Thistle 1 Inverness CT 4 No
+0.9
Inverness CT 2 Dundee Utd 3 -0.9
Dundee 2 Dundee Utd 1 -0.1
Aberdeen 4 Motherwell 1 +0.1
Ross County 0 St. Johnstone 1 -0.0
Week of 5/7100.0*Relegated100.0*Average seed
Hamilton 0 Inverness CT 1 +0.7
Ross County 1 Motherwell 3 -0.1
Dundee 0 Hamilton 1 +0.1
Kilmarnock 0 Partick Thistle 2 -0.1
Dundee 1 Kilmarnock 1 +0.1
Dundee Utd 3 Partick Thistle 3 +0.1
Motherwell 1 St. Johnstone 2 +0.0
Hearts 1 Ross County 1 +0.0
Week of 5/14100.0*Relegated100.0*Average seed
Inverness CT 4 Dundee 0 +0.7
Celtic 7 Motherwell 0 +0.1
Points
Chance Will Win Championship