How are these numbers calculated?

Big Games

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

Week of 10/21100.0*Chance wins title100.0*Promoted100.0*Average seed
BP 1 Dalkurd 0 No
+1.8
Trelleborg 4 Åtvidaberg 0 +0.2
+9.1
+0.2
IK Frej 2 Trelleborg 2 +1.1
+0.0
Öster 1 Falkenberg 1 +1.1
Degerfors 1 Helsingborg 1 +0.7
Week of 10/28100.0*Chance wins title100.0*Promoted100.0*Average seed
Dalkurd 1 GAIS 0 -6.1
-0.1
Week of 11/4None
Points
Chance Will Win Championship