How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday, 5/24100.0*Chance wins title100.0*UEFA CL100.0*Europa League100.0*Average seed
Panionios 0 PAOK 1 No
No
Yes
-0.4
Panathinaikos 1 AEK 0 +1.1
+1.1
-1.1
-0.0
Saturday, 5/28100.0*Chance wins title100.0*UEFA CL100.0*Europa League100.0*Average seed
Panathinaikos 1 Panionios 0 -0.5
AEK 1 PAOK 0 -0.2
Tuesday, 5/31None
Points
Chance Will Win Championship