How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance wins title100.0*Serie A100.0*Average seed
CSA 0 Atletico-GO 0 No
-2.6
-0.2
Avai 0 Fortaleza 1 No
+1.2
+0.1
Ponte Preta 2 Coritiba 0 -2.9
-0.1
Coritiba 1 Goias 0 +1.6
+0.2
Juventude 0 Ponte Preta 1 -1.4
-0.1
Oeste 0 Londrina 0 +1.1
+0.0
Vila Nova 3 Figueirense 1 -0.5
Guarani 0 Paysandu 2 +0.2
If winner is:HomeDrawAway
Week of 11/16100.0*Chance wins title100.0*Serie A100.0*Average seed
CSA vs AvaiYes+5.6-20.2
+0.8+0.0-0.9
Oeste vs Goias+3.0+1.6-3.1
+0.2+0.1-0.2
Londrina vs CRB-2.2+1.8+2.2
-0.1+0.0+0.1
Vila Nova vs Criciuma-2.1+1.9+1.9
-0.1+0.1+0.1
Atletico-GO vs Sao Bento-0.2+0.2+0.2

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 titleSerie A1234567891011121314151617181920Serie CCount
652-0-0NoYes100No972,513,672
631-1-0NoYes8020No1,017,937,924
621-0-1NoYes375211No1,280,688,392
610-2-0No90.6%10433791No263,009,209
600-1-1No56.113433491No648,108,378
590-0-2No15.2114433281No386,702,585
Total:No86.1%5024139410No4,568,960,160
Points
Chance Will Win Championship