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
Vitória 0 EC Bahia 3 +24.2
No
+1.1
Bahia de Feira 3 Vitória da Conquista 0 -5.1
-0.1
Jacuipense 0 Vitória 1 -3.1
-0.1
Juazeirense 2 Jequié 1 +2.5
+0.0
Jacuipense 1 Flu de Feira 0 +1.6
+0.1
+0.0
Flu de Feira 0 Bahia de Feira 2 -1.0
Week of 2/25100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
EC Bahia 2 Atlântico 1 +23.2
+1.0
Flu de Feira 3 Juazeirense 1 -6.7
-0.1
Jequié 1 Vitória 5 +2.0
-0.0
Week of 3/4100.0*Chance in playoffs100.0*Segunda Divisão100.0*Average seed
Juazeirense 1 EC Bahia 2 +22.3
+1.2
Vitória da Conquista 1 Flu de Feira 2 -7.8
-0.2
Jequié 0 Jacuipense 1 +4.4
+0.1
Bahia de Feira 2 Atlântico 2 +2.7
+0.1
Vitória 2 Jacobina 1 -0.6
-0.2
If winner is:HomeDrawAway
Jacuipense vs Bahia de FeiraInIn-4.9
+0.1+0.1-0.2
EC Bahia vs JequiéInIn-4.9
+1.0-0.3-0.8
Flu de Feira vs Vitória-2.5-0.6In
-0.2+0.3+0.0
Atlântico vs JuazeirenseIn-1.0-2.3
+0.3+0.1-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedSegunda
TPW-OTLDplayoffs12345678910DivisãoCount
201-000In6238No2,361,623,070
180-001In394714No1,572,299,848
170-01092.2%2141308No2,361,557,722
Total:97.1%233227153No6,295,480,640
Points
Chance Will Make Playoffs