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*Average seed
Skoda Xanthi 1 Olympiakos 4 -0.3
PAOK 0 AEK Athens 4 +0.2
OFI Crete 1 Panionios 2 -0.1
AE Larissa 3 Ergotelis 2 -0.0
Week of 4/20100.0*Average seed
AE Larissa 4 PAOK 3 +0.2
Ergotelis 2 Skoda Xanthi 0 -0.2
Olympiakos 3 Iraklis 1 +0.1
Points
Chance Will Win Championship