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 -21.9
+0.9
Santos 1 Fluminense 0 -3.4
+0.1
Bahia 1 Portuguesa 0 +3.3
-0.1
Internacional 0 Coritiba 0 -0.8
+0.0
Flamengo 1 Corinthians 0 +0.4
Ponte Preta 1 Grêmio 1 -0.2
+0.0
Criciúma 1 Vitória 1 +0.1
Week of 11/30100.0*Serie B100.0*Average seed
Vasco 2 Náutico 0 -30.7
+1.1
Coritiba 2 Botafogo 1 +8.3
-0.2
Criciúma 1 São Paulo 0 +4.2
-0.1
Ponte Preta 0 Portuguesa 2 +2.4
-0.1
Fluminense 2 Atlético-MG 2 -1.9
+0.1
Cruzeiro 1 Bahia 2 +1.3
-0.1
If winner is:HomeDrawAway
Week of 12/7100.0*Serie B100.0*Average seed
Atlético-PR vs Vasco+46.3-7.4No
-1.5-0.3+1.8
Bahia vs Fluminense-12.9+0.2+12.8
+0.3-0.0-0.3
Portuguesa vs Grêmio+12.7+0.2-12.9
-0.3-0.0+0.3
Flamengo vs Cruzeiro+3.7+3.7-6.5
-0.3+0.0+0.3
São Paulo vs Coritiba-4.5+2.6+2.6
+0.3+0.1-0.3
Botafogo vs Criciúma+0.2-0.1-0.1
Internacional vs Ponte Preta-0.1-0.1+0.2

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
471-0-0NoNo52540255No5,583,025
450-1-0NoNo4224027633.3%4,259,901
440-0-1NoNo13464186.95,583,794
Total:NoNo29151518241640.6%15,426,720
Points
Chance Will Win Championship