How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Chance wins title100.0*Serie A100.0*Serie C100.0*Average seed
Chapecoense 1 Operario-PR 0 -0.0
-0.1
-0.1
+0.0
Brasil de Pelotas 1 CSA 1 +0.1
If winner is:HomeDrawAway
Guarani vs Avai-0.1-0.1+0.1
-2.8-1.3+3.1
+3.0+0.4-2.7
-0.9-0.3+0.9
Sampaio Correa vs Cuiaba+0.0+0.1-0.1
+0.1-0.0-0.0
-0.1+0.0+0.0
America-MG vs Confianca-0.2+0.2+0.1
+0.0+0.0-0.1
Figueirense vs Juventude+0.5+0.2-0.4
+0.4-0.0-0.3
CRB vs Ponte Preta+0.3+0.2-0.4
+0.1-0.0-0.1
Parana vs Oeste-0.2+0.2+0.3
-0.0+0.0+0.1
Botafogo-SP vs Vitoria+0.1-0.1+0.0
Nautico vs Cruzeiro+0.0-0.1+0.1
If winner is:HomeDrawAway
Week of 11/1100.0*Chance wins title100.0*Serie A100.0*Serie C100.0*Average seed
Avai vs America-MG+0.2-0.0-0.1
+4.4-0.7-2.6
-2.7+0.0+1.9
+1.1-0.1-0.7
Chapecoense vs CSA+0.1+0.1-0.2
-0.0+0.0+0.1
+0.0+0.0-0.1
Confianca vs Chapecoense-0.2+0.1+0.1
-0.1+0.0+0.0
Cuiaba vs CRB-0.1+0.1+0.1
-0.1+0.0+0.1
+0.0+0.0-0.1
Ponte Preta vs Figueirense-0.4+0.2+0.5
-0.2-0.0+0.4
Juventude vs Guarani-0.4+0.2+0.5
-0.2-0.0+0.4
Cruzeiro vs Parana+0.2+0.1-0.3
+0.3-0.1-0.2
Brasil de Pelotas vs Sampaio Correa+0.1+0.1-0.2
+0.2-0.1-0.2
Oeste vs Sampaio Correa+0.2+0.1-0.2
-0.1-0.0+0.0
+0.1+0.0-0.1
CSA vs Nautico-0.2+0.1+0.2
-0.2-0.0+0.3
Operario-PR vs Botafogo-SP-0.0-0.1+0.1
Vitoria vs Brasil de Pelotas+0.0-0.1+0.0

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleSerie A1234567891011121314151617181920Serie CCount
8621-0-099.7%Yes1000No1,772,741
8420-1-097.6Yes982No205
8320-0-198.3Yes982No303
8219-2-097.4Yes9730No1,380
8119-1-195.3Yes955No4,463
8018-3-093.4Yes9370No9,369*
7918-2-189.9Yes90100No27,578
7818-1-285.8Yes86140No61,073*
7717-3-180.5Yes811910No130,854*
7617-2-273.8Yes742510No295,182*
7516-4-166.2100.0%6631200No571,378*
7416-3-257.6100.05838400No1,119,781*
7316-2-348.2100.04844800No2,129,882*
7215-4-238.8100.039491210No3,757,006*
7115-3-329.7100.0305118200No6,608,093*
7015-2-421.499.9215025300No11,134,707*
6914-4-314.599.8144732600No17,964,327*
6814-3-49.099.39403911100No28,566,583*
6713-5-35.198.25324417200No43,620,122*
6613-4-42.695.832345254000No64,571,757*
6513-3-51.291.2115413481000No93,572,692*
6412-5-40.583.6093440142000No130,925,575*
6312-4-50.272.30425422350000No178,416,798*
6212-3-60.057.902164031101000No237,343,059*
6111-5-50.041.901932371740000No305,924,965*
6011-4-60.026.700422382681000No384,792,306*
5911-3-70.014.70021332331640000No471,832,835*
5810-5-60.06.7000623352591000No562,088,999*
5710-4-70.02.500021430321741000No653,445,295*
569-6-60.00.7000162133261120000No740,282,708*
559-5-7No0.2000211273220610000No815,762,826*
549-4-8No0.000151731291440000No877,073,703*
538-6-7No0.0000182232241020000No918,359,316*
528-5-8No0.00003122631207100000.0%935,652,355*
518-4-9No0.00001516302915410000.0929,453,959*
507-6-8No0.000001720312611300000.0898,547,208*
497-5-9NoNo0000210243222820000.0844,761,058*
487-4-10NoNo0000414283018510000.1773,538,945*
476-6-9NoNo000161831281330000.4688,394,884*
466-5-10NoNo00002923322492001.8595,138,419*
456-4-11NoNo000031328321951005.9500,099,921*
445-6-10NoNo000151832291220014.8407,773,268*
435-5-11NoNo00002925342360029.2322,266,700*
425-4-12NoNo00004163332132047.3246,945,744*
414-6-11NoNo000182538234065.3183,067,155*
404-5-12NoNo000031637349080.0131,105,383*
394-4-13NoNo00019314216089.990,689,562*
383-6-12NoNo0004234726095.560,428,399*
373-5-13NoNo0002144637198.338,697,030*
363-4-14NoNo00184148299.423,791,963*
352-6-13NoNo00043459499.814,004,290*
342-5-14NoNo00226666100.07,844,150*
332-4-15NoNo00118729100.04,180,216*
321-6-14NoNo000127414100.02,106,993*
311-5-15NoNo0087319100.0995,336*
301-4-16NoNo057025Yes440,291*
291-3-17NoNo0036532100.0179,170*
280-5-16NoNo015940Yes66,383*
270-4-17NoNo15248Yes21,871*
260-3-18NoNo04555Yes6,117*
250-2-19NoNo03664Yes1,455
240-1-20NoNo3169Yes214
230-0-21NoNo02080Yes1,772,740
Total:0.1%7.0%012467899998765432105.4%14,254,139,040

* Row combines multiple less frequent records.

Points
Chance Will Win Championship