How are these numbers calculated?

Big Games

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

Week of 10/21100.0*Chance wins title100.0*Promoted100.0*Average seed
Oskarshamns AIK 2 Landskrona BoIS 1 -0.5
-0.2
Week of 10/28100.0*Chance wins title100.0*Promoted100.0*Average seed
Mjällby 2 Oskarshamns AIK 1 -8.9
-4.5
-0.1
IK Oddevold 3 Landskrona BoIS 2 -3.4
-1.7
Week of 11/4100.0*Chance wins title100.0*Promoted100.0*Average seed
Ljungskile SK 2 Mjällby 2 Yes
Yes
+0.1
Points
Chance Will Win Championship