How are these numbers calculated?

Big Games

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

Week of 10/18100.0*Relegated100.0*Average seed
Kalmar 1 Halmstad 3 -1.4
+1.0
Åtvidaberg 2 Mjällby 1 -0.5
-0.0
Week of 10/19100.0*Relegated100.0*Average seed
Gefle 1 IFK Norrköping 2 No
Week of 10/26100.0*Relegated100.0*Average seed
Halmstad 4 Falkenberg 0 +0.6
IFK Göteborg 5 Halmstad 1 -0.5
Gefle 2 Helsingborg 1 +0.3
Åtvidaberg 2 Malmö 1 -0.3
Mjällby 0 Kalmar 2 -0.2
Kalmar 1 AIK 1 +0.2
Helsingborg 0 IFK Göteborg 3 +0.2
Elfsborg 0 Djurgården 1 -0.1
AIK 4 Åtvidaberg 1 +0.0
Points
Chance Will Win Championship