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 +5.1
Yes
+0.1
IFK Göteborg 0 Öster 0 +5.0
+0.1
Brommapojkarna 0 AIK 6 -2.5
Åtvidaberg 3 Helsingborg 0 +1.9
+0.2
AIK 1 IFK Norrköping 0 -1.2
Week of 10/27100.0*Chance wins title100.0*European cup100.0*Average seed
Elfsborg 0 Malmö 2 Yes
+0.1
Mjällby 2 IFK Göteborg 1 +0.3
Week of 11/3None
Points
Chance Will Win Championship