How are these numbers calculated?

Big Games

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

Week of 4/14100.0*Promoted100.0*Average seed
Dunfermline 4 Brechin 0 +1.1
+0.2
Morton 0 Queen of the South 1 +1.0
+0.1
Dumbarton 0 Inverness CT 1 -0.5
-0.0
Dundee Utd 1 Falkirk 0 -0.4
-0.2
Inverness CT 5 Dumbarton 1 -0.3
Brechin 0 Dundee Utd 5 -0.1
-0.1
Week of 4/21100.0*Promoted100.0*Average seed
Inverness CT 2 Dunfermline 2 +1.1
-0.0
Livingston 0 Inverness CT 1 -0.9
-0.1
St Mirren 2 Morton 1 +0.2
Queen of the South 3 Dundee Utd 0 +0.1
+0.2
Livingston 3 Brechin 0 -0.0
Week of 4/28100.0*Promoted100.0*Average seed
Morton 0 Inverness CT 3 -1.7
-0.1
Dunfermline 4 Dumbarton 0 +1.1
+0.3
Dundee Utd 2 Livingston 0 -0.4
Points
Chance Will Win Championship