How are these numbers calculated?

Big Games

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

Week of 10/22100.0*Chance wins title100.0*Promoted100.0*Average seed
Halmstad 0 Sirius 1 No
-7.4
-0.2
Ängelholm 1 AFC United 2 -0.1
-4.2
-0.1
Dalkurd 1 Assyriska 1 +3.4
+0.1
Trelleborg 0 Varberg 1 -0.2
Week of 10/29100.0*Chance wins title100.0*Promoted100.0*Average seed
Trelleborg 0 Halmstad 2 +9.6
+0.2
GAIS 0 Dalkurd 1 -5.2
-0.1
AFC United 3 Åtvidaberg 0 -3.1
-0.1
Varberg 2 Ljungskile 1 -0.3
Week of 11/5None
Points
Chance Will Win Championship