How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Chance wins title100.0*Average seed
Skoda Xanthi 1 Olympiakos 4 No
-0.0
PAOK 0 AEK Athens 4 -0.9
-0.1
Panathinaikos 1 Aris FC 0 +0.8
+0.1
Iraklis 5 Kalamarias 2 +0.1
Week of 4/20100.0*Chance wins title100.0*Average seed
AEK Athens 2 Asteras 0 -0.0
Points
Chance Will Win Championship