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*Average seed
Juazeirense 2 Jequié 1 +2.9
+0.4
Vitória 0 EC Bahia 3 -0.8
+0.1
Jacuipense 1 Flu de Feira 0 +0.3
+0.2
Bahia de Feira 3 Vitória da Conquista 0 -0.2
Flu de Feira 0 Bahia de Feira 2 -0.1
+0.1
Jacuipense 0 Vitória 1 -0.1
-0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Flu de Feira 3 Juazeirense 1 -2.1
-0.5
EC Bahia 2 Atlântico 1 -0.2
-0.0
Jequié 1 Vitória 5 -0.1
-0.1
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Juazeirense 1 EC Bahia 2 -5.3
-0.8
Vitória da Conquista 1 Flu de Feira 2 -2.1
-0.1
Bahia de Feira 2 Atlântico 2 +1.9
+0.1
Vitória 2 Jacobina 1 -0.3
-0.1
Jequié 0 Jacuipense 1 +0.1
If winner is:HomeDrawAway
Atlântico vs Juazeirense-18.3+1.7In
-1.0-0.4+0.5
Jacuipense vs Bahia de FeiraInIn-12.0
+0.1+0.1-0.2
Flu de Feira vs Vitória-3.9-0.8+3.9
-0.1-0.0+0.1
EC Bahia vs Jequié-0.0-0.0+0.3
-0.2+0.3+0.4

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedSegunda
TPW-OTLDplayoffs12345678910DivisãoCount
191-000In439561No10,614,249,084
170-00195.6%256384No4,860,825,522
160-01075.6185724No3,987,674,514
Total:93.9%22248226No19,462,749,120
Points
Chance Will Make Playoffs