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*Average seed
AIK 1 IFK Norrköping 0 -0.3
Kalmar 1 Djurgården 2 -0.3
Åtvidaberg 3 Helsingborg 0 -0.2
Häcken 1 Halmstad 3 +0.2
Halmstad 1 Mjällby 0 +0.1
Elfsborg 0 Häcken 0 +0.0
Week of 10/27100.0*Average seed
IFK Norrköping 1 Öster 1 -0.3
Syrianska 4 Åtvidaberg 1 +0.2
Week of 11/3100.0*Average seed
IFK Göteborg 2 IFK Norrköping 0 -0.5
Åtvidaberg 2 Häcken 2 +0.1
Kalmar 2 Mjällby 1 +0.1
Points
Chance Will Win Championship