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*Relegated100.0*Average seed
Asteras 1 Levadiakos 2 -0.1
AE Larissa 3 Ergotelis 2 No
Iraklis 5 Kalamarias 2 No
+0.2
PAOK 0 AEK Athens 4 +0.0
OFI Crete 1 Panionios 2 +0.3
Week of 4/20100.0*Relegated100.0*Average seed
AE Larissa 4 PAOK 3 +0.2
Ergotelis 2 Skoda Xanthi 0 +0.2
Olympiakos 3 Iraklis 1 -0.1
Aris FC 2 OFI Crete 0 +0.0
Points
Chance Will Win Championship