How are these numbers calculated?

Big Games

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

Week of 10/17100.0*Chance wins title100.0*Average seed
Halmstad 0 AIK 1 -5.0
-0.1
Week of 10/24100.0*Chance wins title100.0*Average seed
IFK Norrköping 3 Halmstad 1 +10.7
+0.2
AIK 1 IFK Göteborg 2 -3.5
-0.1
Week of 10/31100.0*Chance wins title100.0*Average seed
Malmö 0 IFK Norrköping 2 Yes
+0.7
Örebro 1 AIK 1 +1.3
+0.1
Points
Chance Will Win Championship