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
Joinville 1 Vasco da Gama 2 -9.2
+0.8
Coritiba 1 Santos 0 +2.1
-0.1
Fluminense 3 Avaí 1 -2.1
+0.1
Atlético-MG 2 Goiás 2 -0.5
+0.0
Figueirense 0 Chapecoense 0 -0.3
Week of 11/28100.0*Serie B100.0*Average seed
Vasco da Gama 1 Santos 0 -16.9
+0.7
Avaí 1 Ponte Preta 0 +4.8
-0.2
Palmeiras 0 Coritiba 2 +4.8
-0.1
São Paulo 3 Figueirense 2 -4.0
+0.1
Chapecoense 1 Goiás 3 +0.6
-0.2
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Coritiba vs Vasco da GamaYesYes-32.8
-0.8-0.4+1.1
Corinthians vs Avaí-7.8-7.8+12.8
+0.1+0.1-0.2
Figueirense vs Fluminense+12.8-7.8-7.8
-0.3+0.0+0.3
Goiás vs São Paulo-0.4+0.2+0.2

What If

Chances based on how well the Vasco da Gama finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
431-0-0NoNo1241371047.1%5,359,611
410-0-1NoNo245323Yes3,422,282
400-1-0NoNo06238Yes5,358,427
Total:NoNo51620402080.0%14,140,320
Points
Chance Will Win Championship