How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Serie B100.0*Average seed
Coritiba 1 Santos 0 +2.4
-0.1
Fluminense 3 Avaí 1 -2.0
+0.1
Atlético-MG 2 Goiás 2 +1.2
+0.0
Joinville 1 Vasco da Gama 2 +0.8
-0.1
Figueirense 0 Chapecoense 0 -0.1
Week of 11/28100.0*Serie B100.0*Average seed
Chapecoense 1 Goiás 3 -9.4
+0.6
Palmeiras 0 Coritiba 2 +1.2
São Paulo 3 Figueirense 2 -1.1
Vasco da Gama 1 Santos 0 +0.8
-0.2
Avaí 1 Ponte Preta 0 +0.8
-0.2
Cruzeiro 3 Joinville 0 +0.0
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Goiás vs São Paulo-19.0YesYes
+1.4-0.5-0.5
Corinthians vs Avaí-4.5YesYes
+0.1-0.2-0.2
Figueirense vs FluminenseYes-3.7-3.7
-0.2+0.1+0.1
Coritiba vs Vasco da Gama-3.6-3.6Yes
+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
411-0-0NoNo264425574.1%11,275,954
38-39NoNo100Yes31,145,006*
Total:NoNo71277593.1%42,420,960

* Row combines multiple less frequent records.

Points
Chance Will Win Championship