How are these numbers calculated?

Big Games

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

Week of 4/3100.0*UEFA CL100.0*Average seed
Kalloni 0 AEK 0 +3.9
+0.0
Panathinaikos 3 Veria 2 +3.7
+0.0
Panionios 3 PAOK 1 +0.0
Week of 4/10100.0*UEFA CL100.0*Average seed
AEK 2 Panionios 0 No
-0.1
Asteras 0 Panathinaikos 0 -11.7
-0.0
Week of 4/17None
Points
Chance Will Make Playoffs