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*Average seed
Athletico-PR 1 Santos 0 +0.3
Gremio 1 Cruzeiro 0 -0.3
Sao Paulo 2 Internacional 1 -0.1
Ceara 1 Athletico-PR 1 -0.1
If winner is:HomeDrawAway
Week of 12/8100.0*Average seed
Avai vs Athletico-PR-0.2-0.2+0.3
Goias vs Gremio+0.2-0.1-0.2

What If

Chances based on how well the Athletico-PR finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
661-0-0NoYes4555No2,433,860
63-64NoYes100No3,988,060*
Total:NoYes1783No6,421,920

* Row combines multiple less frequent records.

Points
Chance Will Win Championship