How are these numbers calculated?

Big Games

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

Thursday, 5/26100.0*Chance wins title100.0*UEFA CL100.0*Europa League100.0*Average seed
AEK 3 Panathinaikos 1 -22.5
-22.5
+22.5
-0.5
PAOK 2 Panionios 0 -9.5
-9.5
+9.5
-0.1
Sunday, 5/29100.0*Chance wins title100.0*UEFA CL100.0*Europa League100.0*Average seed
Panathinaikos 1 Panionios 0 +17.3
+17.3
-17.3
+0.4
AEK 0 PAOK 0 +5.0
+5.0
-5.0
+0.0
Tuesday, 5/31100.0*Chance wins title100.0*UEFA CL100.0*Europa League100.0*Average seed
PAOK 1 Panathinaikos 1 No
No
Yes
-0.5
Panionios 1 AEK 0 +0.2
Points
Chance Will Win Championship