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
Santos 1 Fluminense 0 +15.6
-1.1
Vasco 2 Cruzeiro 1 +2.9
-0.1
Bahia 1 Portuguesa 0 +1.7
Internacional 0 Coritiba 0 -1.1
+0.1
Flamengo 1 Corinthians 0 +0.3
-0.1
Ponte Preta 1 Grêmio 1 -0.2
Criciúma 1 Vitória 1 +0.2
+0.0
Week of 11/30100.0*Serie B100.0*Average seed
Coritiba 2 Botafogo 1 +12.5
-0.3
Vasco 2 Náutico 0 +10.3
-0.3
Fluminense 2 Atlético-MG 2 +6.0
-0.5
Criciúma 1 São Paulo 0 +2.7
-0.2
Ponte Preta 0 Portuguesa 2 +2.2
-0.2
Cruzeiro 1 Bahia 2 +2.1
-0.2
If winner is:HomeDrawAway
Week of 12/7100.0*Serie B100.0*Average seed
Bahia vs FluminenseYes+21.7-51.4
-1.1-0.4+1.4
Atlético-PR vs Vasco-9.7+0.3+9.4
+0.3+0.0-0.3
Portuguesa vs Grêmio+9.4+0.3-9.7
-0.3+0.0+0.3
São Paulo vs Coritiba-3.3-3.3+5.8
+0.1+0.1-0.2
Flamengo vs Cruzeiro+5.8-3.3-3.3
-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
461-0-0NoNo17383212213.8%5,583,634
440-1-0NoNo13464186.94,258,497
430-0-1NoNo100Yes5,584,589
Total:NoNo61415174865.2%15,426,720
Points
Chance Will Win Championship