How are these numbers calculated?

Big Games

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

Week of 10/2100.0*Chance wins title100.0*Veikkausliiga100.0*Average seed
JJK 0 KPV 1 +15.2
+15.2
+0.2
FF Jaro 3 FC KTP 1 -0.0
Week of 10/15100.0*Chance wins title100.0*Veikkausliiga100.0*Average seed
AC Oulu 0 TPS 1 +40.4
+40.4
+0.7
FC HAKA 2 JJK 4 -16.4
-16.4
-0.3
EIF 1 FF Jaro 2 -0.1
-0.1
-0.1
Week of 10/22100.0*Chance wins title100.0*Veikkausliiga100.0*Average seed
JJK 2 AC Oulu 1 No
No
-0.4
TPS 3 EIF 0 +15.1
+15.1
+0.2
Points
Chance Will Win Championship