How are these numbers calculated?

Big Games

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

Week of 5/3100.0*Chance wins title100.0*Average seed
Sivasspor 3 Galatasaray 5 +20.4
+0.3
Fenerbahçe 3 Gençlerbirliği 2 -13.5
-0.2
Manisaspor 1 Kasımpaşa 2 -0.2
Istanbul 1 Trabzonspor 2 -0.2
Konyaspor 1 Gaziantepspor 1 -0.1
OFTAŞ 0 Denizlispor 2 -0.1
Week of 5/10100.0*Chance wins title100.0*Average seed
Galatasaray 2 OFTAŞ 0 Yes
+0.1
Trabzonspor 2 Fenerbahçe 0 Yes
+0.1
Points
Chance Will Win Championship