How are these numbers calculated?

Big Games

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

Week of 4/22100.0*Chance in playoffs100.0*Average seed
PAOK 2 Xanthi 1 -17.7
-0.3
Kerkyra 1 Asteras 3 -10.2
-0.2
Panionios 0 Panathinaikos 3 -4.8
-0.1
AEK 2 Levadiakos 0 +1.8
+0.1
Panetolikos 1 Lamia 0 -0.1
If winner is:HomeDrawAway
Week of 4/29100.0*Chance in playoffs100.0*Average seed
Xanthi vs Larissa+21.1-4.1-18.2
+0.5-0.1-0.4
Asteras vs Apollon-17.4+5.1+13.8
-0.3+0.1+0.2
Panathinaikos vs PAOK-4.2-1.5+5.3
-0.1-0.0+0.2
Olympiakos vs Panetolikos+0.2+0.2-0.4
+0.0+0.1-0.1
Platanias vs Panionios-0.1-0.1+0.2
Levadiakos vs Atromitos-0.1*+0.0+0.1
-0.1+0.0+0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

Chances based on how well the Xanthi finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsUEFA CL12345678910111213141516RelegatedCount
452-0-088.4%No8812No3,541,977
431-1-070.7No7129No4,921,149
421-0-130.1No305218No7,082,668
410-2-021.6No225424No1,711,832
400-1-12.9No32759111No4,916,573
390-0-2OutNo361324No3,543,737
Total:36.0%No36312671No25,717,936
Points
Chance Will Make Playoffs