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 +12.9
-0.4
AE Larissa 3 Ergotelis 2 -3.0
+0.1
Veria 1 Atromitos 1 -0.8
-0.1
Skoda Xanthi 1 Olympiakos 4 +0.4
OFI Crete 1 Panionios 2 +0.4
PAOK 0 AEK Athens 4 +0.3
Iraklis 5 Kalamarias 2 -0.0
Panathinaikos 1 Aris FC 0 +0.3
Week of 4/20100.0*Relegated100.0*Average seed
Ergotelis 2 Skoda Xanthi 0 +32.9
-0.3
Panionios 2 Atromitos 1 +17.0
-0.3
Levadiakos 5 Veria 3 +0.7
-0.1
AEK Athens 2 Asteras 0 +0.4
Kalamarias 1 Panathinaikos 3 +0.4
Points
Chance Will Win Championship