How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Serie B100.0*Average seed
Sport Recife 1 Bahia 0 -10.9
+0.7
Fluminense 2 Ponte Preta 0 -1.9
+0.1
Atletico-MG 3 Coritiba 0 -0.7
Avai 2 Palmeiras 1 +0.6
-0.2
Vitoria 1 Cruzeiro 1 -0.3
Atletico-GO 1 Chapecoense 1 -0.1
+0.1
Week of 11/25100.0*Serie B100.0*Average seed
Fluminense 1 Sport Recife 2 -23.3
+0.9
Ponte Preta 2 Vitoria 3 +6.1
-0.0
Coritiba 1 Sao Paulo 2 -3.1
+0.1
Avai 1 Atletico-PR 0 +2.8
-0.2
Gremio 1 Atletico-GO 1 +0.0
If winner is:HomeEmpateAway
Week of 12/3100.0*Serie B100.0*Average seed
Sport Recife vs Corinthians-48.0+16.2Yes
+1.2-0.1-1.1
Chapecoense vs Coritiba-10.1-2.6+11.8
+0.2+0.1-0.3
Vitoria vs Flamengo+11.1-3.3-9.0
-0.3+0.1+0.2
Santos vs Avai-2.7-2.7+4.4
+0.3-0.1-0.3
Vasco da Gama vs Ponte Preta+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
451-0-0NoNo39471414.4%5,848,135
430-0-1NoNo220532678.53,731,615
420-1-0NoNo245324Yes5,846,970
Total:NoNo15232726962.3%15,426,720
Points
Chance Will Win Championship