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*European cup100.0*Average seed
Malmö 1 Elfsborg 2 -16.9
-0.3
Week of 10/19100.0*European cup100.0*Average seed
Brommapojkarna 0 AIK 4 +15.4
+0.4
IFK Göteborg 3 Häcken 2 -5.5
-0.0
Djurgården 0 Örebro 3 -0.1
Häcken 3 Gefle 1 -0.1
Week of 10/26100.0*European cup100.0*Average seed
Elfsborg 0 Djurgården 1 +18.8
+0.3
AIK 4 Åtvidaberg 1 +17.6
+0.4
Brommapojkarna 0 Elfsborg 1 -16.8
-0.2
Kalmar 1 AIK 1 +13.5
+0.0
Helsingborg 0 IFK Göteborg 3 -2.9
-0.3
IFK Norrköping 2 Örebro 0 +0.1
IFK Göteborg 5 Halmstad 1 -0.1
Points
Chance Will Win Championship