How are these numbers calculated?

Big Games

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

Week of 10/20100.0*Chance wins title100.0*European cup100.0*Average seed
Malmö 2 Brommapojkarna 1 No
IFK Göteborg 0 Öster 0 +2.2
+0.0
Åtvidaberg 3 Helsingborg 0 +2.5
+0.1
Kalmar 1 Djurgården 2 -11.0
-0.6
AIK 1 IFK Norrköping 0 -1.0
Brommapojkarna 0 AIK 6 -0.2
Elfsborg 0 Häcken 0 +0.1
Week of 10/27100.0*Chance wins title100.0*European cup100.0*Average seed
Helsingborg 2 Kalmar 3 +9.3
+0.7
Mjällby 2 IFK Göteborg 1 +1.8
Djurgården 1 Gefle 1 +0.0
Elfsborg 0 Malmö 2 +0.0
Week of 11/3100.0*Chance wins title100.0*European cup100.0*Average seed
IFK Göteborg 2 IFK Norrköping 0 No
-0.1
Kalmar 2 Mjällby 1 +8.1
+0.3
AIK 2 Helsingborg 1 +0.2
Points
Chance Will Win Championship