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
GIF Sundsvall 2 Varberg 1 +10.1
+8.6
+0.3
Hammarby 4 Östersund 2 -6.8
-3.8
-0.1
Syrianska 1 Ljungskile 1 +4.6
+3.4
+0.1
Jönköping Södra 4 Degerfors 2 -0.6
Week of 10/25100.0*Chance wins title100.0*Promoted100.0*Average seed
Sirius 0 GIF Sundsvall 1 +37.9
+12.5
+0.6
GAIS 0 Hammarby 0 +8.8
+2.1
+0.1
Jönköping Södra 3 Öster 3 +0.3
Week of 11/2100.0*Chance wins title100.0*Promoted100.0*Average seed
Hammarby 5 Jönköping Södra 0 No
-0.5
GIF Sundsvall 0 Landskrona 0 -31.6
Yes
-0.3
Ljungskile 3 Varberg 0 -2.0
-1.2
-0.0
Points
Chance Will Win Championship