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
Chapecoense 2 Botafogo 0 -13.9
+0.7
Figueirense 2 Vitória 0 -2.7
+0.0
Coritiba 2 Palmeiras 0 +2.1
-0.0
Bahia 1 Atlético-PR 2 -1.3
+0.0
Cruzeiro 2 Goiás 1 +0.0
Week of 11/29100.0*Serie B100.0*Average seed
Flamengo 4 Vitória 0 No
+0.1
Internacional 3 Palmeiras 1 -0.4
+0.1
Atlético-MG 1 Coritiba 2 -0.4
Chapecoense 1 Cruzeiro 1 -0.0
Atlético-PR 1 Goiás 0 +0.0
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Goiás vs Chapecoense-0.4-0.2+1.1
Coritiba vs Bahia-0.2+0.1+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
461-0-0NoNo4753No8,870,170
440-0-1NoNo2080No11,712,594
430-1-0NoNo100No21,838,196
Total:NoNo101674No42,420,960
Points
Chance Will Win Championship