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*Serie C100.0*Average seed
Oeste 0 Joinville 2 +22.9
-0.4
Bahia 3 Bragantino 2 -1.1
+0.0
If winner is:HomeEmpateAway
Week of 11/25100.0*Serie C100.0*Average seed
Joinville vs Vila Nova+41.4+17.4No
-0.4-0.2+0.4
Nautico vs Oeste+18.3-5.7No
-0.2+0.1+0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
411-0-0NoNo100No10,412,199
390-0-1NoNo712929.5%10,638,129
380-1-0NoNo475353.523,300,232
Total:NoNo653535.2%44,350,560
Points
Chance Will Win Championship