How are these numbers calculated?

Big Games

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

Week of 10/12100.0*Ykkönen100.0*Average seed
HIFK 4 PS Kemi 0 -2.1
+0.1
JJK 0 Ilves 0 -0.9
JJK 1 IFK Mariehamn 0 +0.4
FC Inter 4 HIFK 1 +0.1
-0.1
PS Kemi 3 SJK 3 +0.0
Week of 10/20100.0*Ykkönen100.0*Average seed
KuPS 2 JJK 1 No
+0.0
HIFK 2 SJK 2 -0.4
-0.0
Ilves 1 PS Kemi 0 +0.0
Week of 10/28100.0*Ykkönen100.0*Average seed
PS Kemi 1 KuPS 3 +0.1
FC Lahti 2 HIFK 1 -0.1
Points
Chance Will Win Championship