How are these numbers calculated?

Big Games

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

Week of 5/20100.0*Chance wins title100.0*Average seed
Besiktas 4 Kasimpasa 1 +18.2
+0.2
Trabzon 0 Basaksehir 0 +6.2
+0.1
Week of 5/27100.0*Chance wins title100.0*Average seed
Gaziantep 0 Besiktas 4 Yes
+0.2
Basaksehir 2 Adana 1 -10.6
-0.1
Week of 6/2None
Points
Chance Will Win Championship