How are these numbers calculated?

Big Games

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

Week of 2/14100.0*Serie B100.0*Average seed
Bahia 0 Goias 0 +2.7
-0.2
Bragantino 0 Flamengo 1 -0.6
Internacional 0 Sport Recife 0 -0.3
Botafogo 0 Gremio 0 -0.1
+0.0
Coritiba 0 Palmeiras 0 +0.0
If winner is:HomeDrawAway
Goias vs Botafogo-4.7+2.6Yes
+0.7-0.2-0.6
Vasco da Gama vs Internacional+1.0+0.2-1.1
-0.1-0.0+0.1
Atletico-MG vs Bahia-0.6-0.2+0.8
Sport Recife vs Bragantino-0.1-0.3+0.3
Palmeiras vs Fortaleza-0.2+0.1+0.1
Santos vs Coritiba+0.2+0.0-0.2
If winner is:HomeDrawAway
Week of 2/22100.0*Serie B100.0*Average seed
Vasco da Gama vs GoiasYes+2.8-4.8
-0.4-0.2+0.5
Goias vs Bragantino-4.7+2.6Yes
+0.5-0.1-0.4
Corinthians vs Vasco da Gama-1.1+0.2+1.0
+0.1-0.0-0.1
Bragantino vs Gremio+1.0-0.3-0.8
Sport Recife vs Atletico-MG+0.8-0.3-0.7
Athletico-PR vs Sport Recife-0.7-0.3+0.8
Bahia vs Santos+0.8-0.2-0.6
Fortaleza vs Bahia-0.5-0.1+0.5
Fluminense vs Fortaleza-0.2+0.1+0.1
Atletico-GO vs Coritiba+0.2+0.0-0.2
Botafogo vs Sao Paulo-0.2+0.0+0.1
Ceara vs Botafogo+0.1+0.0-0.2
Coritiba vs Ceara-0.2+0.0+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
393-0-0NoNo11238381149.3%490,944
372-1-0NoNo0328626097.3938,541
362-0-1NoNo560324Yes1,467,828
351-2-0NoNo50429Yes599,115
341-1-1NoNo255223Yes1,875,842
331-0-2NoNo64747Yes1,467,902
0-3-0NoNo134740Yes127,517
320-2-1NoNo22870Yes598,881
310-1-2NoNo1783Yes937,597
300-0-3NoNo892Yes490,553
Total:NoNo012627323296.9%8,994,720
Points
Chance Will Win Championship