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
Queen of the South 0 Dundee 1 +3.6
-0.2
+0.8
Dundee Utd 2 Inverness CT 1 +0.4
+0.1
Dunfermline 1 Inverness CT 2 +0.3
-0.0
Morton 4 Alloa Athletic 4 +0.1
+0.1
Ayr Utd 1 Morton 2 +0.0
Week of 2/29100.0*Promoted100.0*Relegated100.0*Average seed
Arbroath 0 Dunfermline 0 +1.7
+0.1
Dundee 0 Alloa Athletic 0 -1.1
-0.2
Dunfermline 2 Dundee Utd 0 -0.9
-0.1
Queen of the South 0 Morton 4 -0.7
No
-0.1
Inverness CT 3 Morton 2 +0.6
+0.0
Alloa Athletic 0 Ayr Utd 2 -0.5
No
-0.1
Ayr Utd 0 Dundee Utd 0 +0.0
Week of 3/7100.0*Promoted100.0*Relegated100.0*Average seed
Dundee 2 Ayr Utd 0 +3.9
+0.9
Partick Thistle 1 Dunfermline 1 +3.9
+0.2
Morton 1 Arbroath 1 +1.4
+0.2
Ayr Utd 0 Dundee 0 -0.9
-0.1
Dunfermline 1 Queen of the South 1 +0.8
+0.1
Points
Chance Will Win Championship