How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Libertadores100.0*Average seed
Palmeiras 1 Botafogo 0 -4.0
-0.4
Santa Cruz 3 Atlético-MG 3 -1.1
Atlético-PR 2 Sport Recife 0 -0.1
-0.2
Corinthians 1 Internacional 0 -0.1
Grêmio 3 América-MG 0 -0.1
Week of 11/26100.0*Libertadores100.0*Average seed
Corinthians 0 Atlético-PR 0 +0.2
Santa Cruz 5 Grêmio 1 +0.1
Palmeiras 1 Chapecoense 0 +0.1
Botafogo 1 Ponte Preta 1 -0.0
If winner is:HomeEmpateAway
Week of 12/4100.0*Libertadores100.0*Average seed
Grêmio vs Botafogo-0.5-0.1+0.5
Atlético-PR vs Flamengo-0.3+0.1+0.3
Cruzeiro vs Corinthians+0.2+0.2-0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
591-0-0NoNo6238No5,846,791
570-0-1NoNo245324No3,732,128
560-1-0NoNo6238No5,847,801
Total:NoNo295120No15,426,720
Points
Chance Will Win Championship