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 +7.4
-0.3
Bahia 1 Portuguesa 0 +3.3
-0.1
Santos 1 Fluminense 0 -2.5
+0.1
Internacional 0 Coritiba 0 -1.8
Flamengo 1 Corinthians 0 +0.3
-0.1
Ponte Preta 1 Grêmio 1 -0.2
+0.0
Criciúma 1 Vitória 1 +0.1
+0.0
Week of 11/30100.0*Serie B100.0*Average seed
Coritiba 2 Botafogo 1 -44.5
+1.4
Criciúma 1 São Paulo 0 +2.9
-0.2
Vasco 2 Náutico 0 +2.7
-0.2
Cruzeiro 1 Bahia 2 +2.3
-0.1
Ponte Preta 0 Portuguesa 2 +1.1
-0.1
Fluminense 2 Atlético-MG 2 +0.4
+0.1
If winner is:HomeDrawAway
Week of 12/7100.0*Serie B100.0*Average seed
Bahia vs Fluminense-3.8-3.8+16.7
+0.1+0.1-0.5
Atlético-PR vs Vasco-4.6+1.3+14.8
+0.2-0.0-0.6
Portuguesa vs Grêmio+9.3-5.6-5.6
-0.5+0.3+0.3
Flamengo vs Cruzeiro+6.2+2.7-6.1
-0.4-0.1+0.4
São Paulo vs Coritiba+3.9-2.6No
-0.6-0.3+2.2
Internacional vs Ponte Preta-0.1+0.1+0.1
Botafogo vs Criciúma+0.0+0.0-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
481-0-0NoNo740458No8,588,458
460-1-0NoNo304322404.8%12,786,063
450-0-1NoNo16403210111.224,905,639
Total:NoNo178183423717.4%46,280,160
Points
Chance Will Win Championship