How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Average seed
Tupi 1 Nautico 4 -0.2
Bahia 3 Bragantino 2 +0.1
Oeste 0 Joinville 2 -0.1
Sampaio Correa 0 Atletico GO 1 +0.1
If winner is:HomeEmpateAway
Week of 11/25100.0*Average seed
Parana vs Tupi-0.2-0.2+0.4
Bragantino vs Londrina-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
331-0-0NoNo6238Yes5,372,998
30-31NoNo100Yes8,767,322*
Total:NoNo2476Yes14,140,320

* Row combines multiple less frequent records.

Points
Chance Will Win Championship