How are these numbers calculated?

Big Games

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

Week of 2/20100.0*Average seed
Giannina 1 OFI 0 +0.5
Atromitos 1 Larissa 1 +0.1
Volos 2 Apollon 0 +0.1
PAOK 4 Lamia 0 +0.0
If winner is:HomeDrawAway
Week of 2/27100.0*Average seed
Lamia vs Giannina-0.5-0.2+0.4
Apollon vs OFI-0.1+0.2+0.2
Aris vs Atromitos+0.1-0.0-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChampionshipChance will finish regular season at seedRelegation
TPW-D-LplayoffsPlayoffs1234567891011121314PlayoffsCount
333-0-0OutNo30691Yes649,031,342
312-1-0OutNo671231Yes1,806,023,633
302-0-1OutNo693010Yes3,263,125,589
291-2-0OutNo41508Yes1,576,163,546
281-1-1OutNo17542800Yes5,458,017,467
271-0-2OutNo10503900Yes4,589,166,343
0-3-0OutNo10513900Yes430,281,928
260-2-1OutNo2296810Yes2,138,214,246
250-1-2OutNo10781200Yes3,423,171,934
240-0-3OutNo3652930Yes1,757,933,880
Total:OutNo1243536400Yes25,091,129,908
Points
Chance Will Make Playoffs