How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Relegated100.0*Average seed
Kerkyra 1 Panionios 0 No
+0.8
Levadiakos 0 AEK 2 No
Veria 4 Asteras 3 No
+0.2
Iraklis 2 Panetolikos 1 -0.0
Week of 4/30100.0*Relegated100.0*Average seed
Panetolikos 0 Olympiakos 2 +0.3
PAOK 5 Kerkyra 1 -0.1
Points
Chance Will Make Playoffs