How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Serie B100.0*Average seed
Figueirense 2 Vitória 0 +18.5
-0.7
Coritiba 2 Palmeiras 0 +5.4
-0.1
Chapecoense 2 Botafogo 0 +2.7
-0.1
Bahia 1 Atlético-PR 2 -1.9
+0.1
Week of 11/29100.0*Serie B100.0*Average seed
Flamengo 4 Vitória 0 +21.9
-0.5
Internacional 3 Palmeiras 1 -9.8
+0.1
Atlético-MG 1 Coritiba 2 +1.7
-0.0
Bahia 1 Grêmio 0 -0.1
Santos 2 Botafogo 0 +0.1
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Vitória vs Santos-40.7YesYes
+0.6-0.4-0.4
Palmeiras vs Atlético-PRYes-13.1-13.1
-0.2+0.1+0.1
Coritiba vs Bahia+0.2+0.2-0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
411-0-0NoNo643636.2%5,119,736
390-0-1NoNo6436Yes3,903,437
380-1-0NoNo6436Yes5,117,147
Total:NoNo23542376.9%14,140,320
Points
Chance Will Win Championship