How are these numbers calculated?

Big Games

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

Week of 2/14100.0*Serie B100.0*Average seed
Bahia 0 Goias 0 +4.6
-0.3
Bragantino 0 Flamengo 1 -0.8
+0.1
Botafogo 0 Gremio 0 -0.3
+0.0
Internacional 0 Sport Recife 0 +0.3
Coritiba 0 Palmeiras 0 -0.2
Fortaleza 0 Vasco da Gama 0 +0.0
If winner is:HomeDrawAway
Atletico-MG vs Bahia+12.0-2.0-24.4
-0.5-0.0+1.2
Vasco da Gama vs Internacional+8.6+1.2-5.4
-0.2-0.0+0.1
Sport Recife vs Bragantino+4.4+0.2-4.6
-0.1+0.1+0.0
Palmeiras vs Fortaleza-0.8+0.5+0.9
+0.1-0.0-0.1
Goias vs Botafogo+0.3-1.0+0.4
Santos vs Coritiba-0.2-0.2+0.5
If winner is:HomeDrawAway
Week of 2/22100.0*Serie B100.0*Average seed
Fortaleza vs Bahia+18.9+2.7-24.9
-0.8-0.2+1.1
Bahia vs Santos-23.3+1.5+16.4
+1.0-0.2-0.6
Vasco da Gama vs Goias+7.1-2.3-7.8
-0.2+0.1+0.2
Corinthians vs Vasco da Gama-5.8+0.9+8.4
+0.2-0.0-0.2
Athletico-PR vs Sport Recife-5.4+0.1+7.1
+0.1+0.0-0.2
Sport Recife vs Atletico-MG+7.3+0.9-4.3
-0.2-0.0+0.1
Bragantino vs Gremio+2.5+0.4-1.8
-0.2+0.0+0.1
Goias vs Bragantino-1.7-0.7+1.8
+0.1+0.1-0.1
Botafogo vs Sao Paulo+2.2-0.2-0.7
-0.1+0.0+0.0
Ceara vs Botafogo-0.7-0.4+1.5
+0.0+0.0-0.1
Fluminense vs Fortaleza-0.9+0.5+1.0
+0.1-0.0-0.1
Atletico-GO vs Coritiba-0.1-0.2+0.4
Coritiba vs Ceara+0.4-0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
453-0-0NoNo22253221No690,323
432-1-0NoNo011849274000.0%1,705,079
422-0-1NoNo4314320300.13,274,973
411-2-0NoNo935401521.61,389,489
401-1-1NoNo216443276.75,297,534
391-0-2NoNo03274623023.55,017,470
0-3-0NoNo1174834134.8373,413
380-2-1NoNo738513054.52,117,532
370-1-2NoNo224658073.53,983,538
360-0-3NoNo0665271093.82,491,609
Total:NoNo01381320242640030.8%26,340,960
Points
Chance Will Win Championship