How are these numbers calculated?

Big Games

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

Week of 2/18100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Bahia de Feira 3 Vitória da Conquista 0 -2.4
+0.4
-0.4
Vitória 0 EC Bahia 3 -0.6
-0.1
Jacuipense 1 Flu de Feira 0 +0.5
+0.5
-0.2
Juazeirense 2 Jequié 1 +0.3
Flu de Feira 0 Bahia de Feira 2 +0.3
-0.1
Jacuipense 0 Vitória 1 -0.3
-0.1
+0.1
Week of 2/25100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
EC Bahia 2 Atlântico 1 Out
-0.5
+0.0
Flu de Feira 3 Juazeirense 1 Out
Jacuipense 4 Jacobina 0 +0.4
-0.1
Week of 3/4100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Bahia de Feira 2 Atlântico 2 No
+0.0
Vitória da Conquista 1 Flu de Feira 2 +0.3
-0.3
Vitória 2 Jacobina 1 +0.0
Jequié 0 Jacuipense 1 -0.1
If winner is:HomeDrawAway
Jacobina vs Vitória da Conquista-0.6+0.4+0.4

What If

Chances based on how well the Vitória da Conquista finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedSegunda
TPW-OTLDplayoffs12345678910DivisãoCount
7-9Out100No12,503,461,840*
60-010Out100No6,959,287,280
Total:Out6436No19,462,749,120

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs