How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Serie B100.0*Average seed
Vasco 2 Cruzeiro 1 -33.4
+1.2
Bahia 1 Portuguesa 0 +4.5
-0.1
Santos 1 Fluminense 0 -3.3
+0.1
Internacional 0 Coritiba 0 +0.5
-0.0
Flamengo 1 Corinthians 0 +0.3
-0.0
Ponte Preta 1 Grêmio 1 -0.3
+0.0
Criciúma 1 Vitória 1 +0.1
Week of 11/30100.0*Serie B100.0*Average seed
Vasco 2 Náutico 0 -19.1
+0.6
Coritiba 2 Botafogo 1 +14.1
-0.3
Criciúma 1 São Paulo 0 +5.5
-0.2
Fluminense 2 Atlético-MG 2 -3.4
+0.1
Ponte Preta 0 Portuguesa 2 +1.8
-0.1
Cruzeiro 1 Bahia 2 +1.2
-0.1
If winner is:HomeDrawAway
Week of 12/7100.0*Serie B100.0*Average seed
Atlético-PR vs Vasco+28.1-28.0No
-0.9+0.3+2.5
Portuguesa vs Grêmio+18.5+6.0-24.6
-0.4-0.1+0.5
Bahia vs Fluminense-11.5+8.4+20.8
+0.3-0.3-0.5
Flamengo vs Cruzeiro+4.1+4.1-5.5
-0.2-0.1+0.2
São Paulo vs Coritiba-1.4+1.6+1.6
+0.1-0.0-0.2
Internacional vs Ponte Preta-0.0-0.0+0.1
Botafogo vs Criciúma+0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
471-0-0NoNo53442172No7,160,290
450-1-0NoNo5274322325.2%12,780,857
440-0-1NoNo19513081.226,339,013
Total:NoNo1581023351853.2%46,280,160
Points
Chance Will Win Championship