How are these numbers calculated?

Big Games

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

Week of 11/30100.0*Serie B100.0*Average seed
Ceara 1 Athletico-PR 1 +0.9
Ceara 0 Corinthians 1 -0.1
Chapecoense 3 CSA 0 Yes
-0.2
Vasco da Gama 1 Cruzeiro 0 +0.0
If winner is:HomeDrawAway
Week of 12/8100.0*Serie B100.0*Average seed
Vasco da Gama vs Chapecoense+0.2+0.2-0.6
CSA vs Sao Paulo+0.2-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
351-0-0NoNo100Yes4,723,516
330-1-0NoNo7426Yes5,127,936
320-0-1NoNo7426Yes11,343,908
Total:NoNo8020Yes21,195,360
Points
Chance Will Win Championship