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*Relegated100.0*Average seed
Brommapojkarna 0 AIK 6 No
+0.2
Häcken 1 Halmstad 3 +0.6
+0.1
IFK Göteborg 0 Öster 0 -0.6
Halmstad 1 Mjällby 0 +0.2
+0.2
Malmö 2 Brommapojkarna 1 -0.1
+0.2
Åtvidaberg 3 Helsingborg 0 -0.1
Elfsborg 0 Häcken 0 +0.0
Week of 10/27100.0*Relegated100.0*Average seed
Mjällby 2 IFK Göteborg 1 -0.2
Djurgården 1 Gefle 1 -0.1
Week of 11/3100.0*Relegated100.0*Average seed
Gefle 0 Elfsborg 2 -0.5
Åtvidaberg 2 Häcken 2 +0.1
Points
Chance Will Win Championship