How are these numbers calculated?

Big Games

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

Week of 2/21100.0*Promoted100.0*Relegated100.0*Average seed
Morton 4 Alloa Athletic 4 -0.0
+0.4
-0.1
Queen of the South 0 Dundee 1 -2.4
+0.1
Dunfermline 1 Inverness CT 2 -0.1
Ayr Utd 1 Morton 2 +1.6
-0.1
Week of 2/29100.0*Promoted100.0*Relegated100.0*Average seed
Alloa Athletic 0 Ayr Utd 2 No
+7.4
-0.3
Dunfermline 2 Dundee Utd 0 +0.2
Queen of the South 0 Morton 4 -4.4
+0.1
Partick Thistle 0 Queen of the South 0 -2.1
+0.1
Dundee 0 Alloa Athletic 0 -1.1
-0.0
Week of 3/7100.0*Promoted100.0*Relegated100.0*Average seed
Alloa Athletic 2 Inverness CT 0 -12.1
+0.4
Inverness CT 3 Queen of the South 1 No
+0.3
Dunfermline 1 Queen of the South 1 +2.6
-0.1
Dundee Utd 1 Partick Thistle 1 +2.0
-0.0
Points
Chance Will Win Championship