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 +7.6
-0.2
Fluminense 3 Avaí 1 -5.0
+0.1
Figueirense 0 Chapecoense 0 +4.3
-0.2
Joinville 1 Vasco da Gama 2 +2.6
-0.1
Atlético-MG 2 Goiás 2 -1.5
+0.0
Week of 11/28100.0*Serie B100.0*Average seed
São Paulo 3 Figueirense 2 +21.3
-0.5
Avaí 1 Ponte Preta 0 +13.1
-0.2
Palmeiras 0 Coritiba 2 +9.6
-0.2
Vasco da Gama 1 Santos 0 +4.2
-0.2
Chapecoense 1 Goiás 3 +1.3
-0.1
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Figueirense vs Fluminense-46.5YesYes
+1.2-0.6-0.8
Corinthians vs Avaí-9.5-9.5+15.6
+0.1+0.1-0.2
Coritiba vs Vasco da Gama+4.9+4.9-8.0
+0.2-0.2-0.1
Goiás vs São Paulo-0.4+0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
431-0-0NoNo21542525.1%5,356,834
410-0-1NoNo394714Yes3,419,867
400-1-0NoNo235324Yes5,363,619
Total:NoNo82028321271.6%14,140,320
Points
Chance Will Win Championship