How are these numbers calculated?

Big Games

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

Week of 10/19100.0*Chance wins title100.0*Promoted100.0*Average seed
Syrianska 1 Ljungskile 1 -15.5
-6.6
-0.3
Hammarby 4 Östersund 2 -7.0
-3.4
-0.1
GIF Sundsvall 2 Varberg 1 -6.3
-3.5
-0.1
Jönköping Södra 4 Degerfors 2 -0.2
Week of 10/25100.0*Chance wins title100.0*Promoted100.0*Average seed
Sirius 0 GIF Sundsvall 1 -12.2
-9.4
-0.3
GAIS 0 Hammarby 0 +4.8
+1.8
+0.1
Jönköping Södra 3 Öster 3 +0.5
Week of 11/2100.0*Chance wins title100.0*Promoted100.0*Average seed
GIF Sundsvall 0 Landskrona 0 No
-2.0
-0.1
Ljungskile 3 Varberg 0 +2.0
+8.8
+0.2
Hammarby 5 Jönköping Södra 0 -22.8
-0.5
Points
Chance Will Win Championship