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
Panetolikos 1 Panathinaikos 0 -0.2
Atromitos 1 Larissa 1 +0.0
PAOK 4 Lamia 0 +0.0
If winner is:HomeDrawAway
Larissa vs Lamia+0.2-0.2-0.3
If winner is:HomeDrawAway
Week of 2/27100.0*Average seed
Lamia vs Larissa-0.3+0.0+0.5
Larissa vs Panetolikos+0.3-0.2-0.3
Lamia vs Giannina-0.1+0.0+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChampionshipChance will finish regular season at seedRelegation
TPW-D-LplayoffsPlayoffs1234567891011121314PlayoffsCount
255-0-0OutNo329680Yes23,044,410
234-1-0OutNo191800Yes144,044,126
224-0-1OutNo673120Yes322,413,854
213-2-0OutNo464680Yes354,818,543
203-1-1OutNo1456273Yes1,465,831,716
193-0-2OutNo1364915Yes1,463,970,896
2-3-0OutNo1335115Yes375,068,737
182-2-1OutNo114840Yes2,173,401,441
172-1-2OutNo23068Yes4,054,921,815
1-4-0OutNo13068Yes175,458,678
162-0-3OutNo595Yes2,425,467,541
1-3-1OutNo694Yes1,269,071,684
10-15OutNo100Yes11,934,423,259*
Total:OutNo00381575Yes26,181,936,700

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs