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*Chance in playoffs100.0*Average seed
Iraklis 0 Asteras 1 +2.0
+1.5
Panionios 3 PAOK 1 Out
Platanias 3 Xanthi 1 -0.2
-0.1
Levadiakos 1 Giannina 1 +0.1
+0.1
Atromitos 1 Panetolikos 0 -0.1
-0.0
Iraklis 0 Olympiakos 2 +0.1
Week of 4/10100.0*Chance in playoffs100.0*Average seed
Asteras 0 Panathinaikos 0 -0.2
Kalloni 2 Atromitos 4 -0.2
PAOK 2 Levadiakos 0 +0.1
Giannina 2 Platanias 0 -0.1
Panthrakikos 0 Iraklis 3 -0.1
Panetolikos 2 Olympiakos 5 +0.1
Week of 4/17100.0*Chance in playoffs100.0*Average seed
Asteras 2 Veria 1 +1.0
Xanthi 0 Giannina 1 -0.3
Panionios 0 Atromitos 1 -0.3
Iraklis 0 Panetolikos 0 +0.1
Platanias 0 PAOK 0 +0.0
Points
Chance Will Make Playoffs