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
Ayr Utd 1 Morton 2 +1.2
-3.2
+0.7
Morton 4 Alloa Athletic 4 -0.5
-0.9
-0.1
Queen of the South 0 Dundee 1 -0.3
-0.8
Dundee Utd 2 Inverness CT 1 +0.2
Dunfermline 1 Inverness CT 2 -0.1
+0.1
Week of 2/29100.0*Promoted100.0*Relegated100.0*Average seed
Inverness CT 3 Morton 2 -2.7
-0.6
Queen of the South 0 Morton 4 +2.4
-0.9
+0.8
Alloa Athletic 0 Ayr Utd 2 -0.5
-0.5
Dunfermline 2 Dundee Utd 0 -0.5
+0.1
-0.2
Dundee 0 Alloa Athletic 0 +0.2
+0.0
Ayr Utd 0 Dundee Utd 0 -0.1
-0.0
Arbroath 0 Dunfermline 0 -0.1
Week of 3/7100.0*Promoted100.0*Relegated100.0*Average seed
Morton 1 Arbroath 1 No
-0.5
Dunfermline 1 Queen of the South 1 +0.3
+0.0
Ayr Utd 0 Dundee 0 +0.1
+0.0
Partick Thistle 1 Dunfermline 1 -0.0
Points
Chance Will Win Championship