How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 4/23100.0*Relegated100.0*Average seed
Levadiakos vs AEK+30.0-4.1-6.1
-0.3+0.0+0.1
Larissa vs Xanthi-8.4-4.5+7.5
+0.5-0.0-0.3
Iraklis vs Panetolikos+1.0+0.3-2.1
-0.2+0.1+0.3
Veria vs Asteras+0.1-0.0-0.0

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsUEFA CL12345678910111213141516RelegatedCount
312-0-0OutNo4384513No1,397,874
291-1-0OutNo107713No6,351,316
281-0-1OutNo1584110.6%15,490,683
270-2-0OutNo366310.94,704,562
260-1-1OutNo227266.020,723,930
250-0-2OutNo5742221.922,053,443
Total:OutNo012305898.8%70,721,808
Points
Chance Will Make Playoffs