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
Botafogo 0 Gremio 0 +3.0
-0.2
Bragantino 0 Flamengo 1 -0.6
Bahia 0 Goias 0 -0.1
+0.0
Fortaleza 0 Vasco da Gama 0 -0.1
Coritiba 0 Palmeiras 0 -0.1
+0.1
If winner is:HomeDrawAway
Goias vs Botafogo+3.6+2.7-5.3
-0.7-0.1+0.7
Vasco da Gama vs Internacional+1.2+0.2-1.3
Atletico-MG vs Bahia-1.2+0.2+1.1
Sport Recife vs Bragantino+0.8*-0.0-0.8
Palmeiras vs Fortaleza-0.4*+0.0+0.4
Santos vs Coritiba-0.0*-0.0+0.1
+0.1+0.1-0.2
If winner is:HomeDrawAway
Week of 2/22100.0*Serie B100.0*Average seed
Ceara vs Botafogo+3.5+2.7-5.3
-0.4-0.2+0.5
Botafogo vs Sao Paulo-5.3+2.7+3.5
+0.5-0.2-0.4
Corinthians vs Vasco da Gama-1.2+0.1+1.1
Athletico-PR vs Sport Recife-1.2+0.2+1.1
Sport Recife vs Atletico-MG+1.1+0.2-1.2
Vasco da Gama vs Goias+1.1+0.1-1.2
+0.1-0.0-0.1
Bahia vs Santos+1.1+0.1-1.2
Fortaleza vs Bahia-0.9+0.2+0.8
Bragantino vs Gremio+0.5-0.2-0.4
Goias vs Bragantino-0.4-0.2+0.5
-0.1+0.0+0.1
Fluminense vs Fortaleza-0.4*+0.0+0.4
Coritiba vs Ceara+0.1-0.1-0.0
-0.2+0.1+0.1
Atletico-GO vs Coritiba-0.1-0.0+0.1
+0.2+0.1-0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
403-0-0NoNo021436351247.5%490,751
382-1-0NoNo063258393.6938,853
372-0-1NoNo01127413099.31,466,818
361-2-0NoNo72262Yes599,263
351-1-1NoNo424612Yes1,872,285
341-0-2NoNo205426Yes1,470,598
0-3-0NoNo245324Yes127,786
330-2-1NoNo94547Yes599,566
320-1-2NoNo12574Yes937,229
310-0-3NoNo1684Yes491,571
Total:NoNo0013737302396.4%8,994,720
Points
Chance Will Win Championship