How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Libertadores100.0*Average seed
Atlético-PR 6 Náutico 1 -6.3
-0.2
São Paulo 1 Botafogo 1 -5.4
-0.2
Atlético-MG 4 Goiás 1 +3.9
+0.1
Criciúma 1 Vitória 1 +1.4
+0.0
Ponte Preta 1 Grêmio 1 -0.3
Week of 11/30100.0*Libertadores100.0*Average seed
Coritiba 2 Botafogo 1 -27.4
-0.7
Grêmio 1 Goiás 0 +7.6
+0.1
Santos 2 Atlético-PR 1 +3.6
+0.2
Vitória 4 Flamengo 2 -3.4
-0.2
Fluminense 2 Atlético-MG 2 +1.8
+0.1
If winner is:HomeDrawAway
Week of 12/7100.0*Libertadores100.0*Average seed
Botafogo vs Criciúma+43.9-19.2No
+1.1-0.2-0.9
Goiás vs Santos-17.0+5.4+13.0
-0.3+0.0+0.3
Atlético-PR vs Vasco-5.0-5.0+8.8
-0.1-0.1+0.2
Atlético-MG vs Vitória-1.4+8.6-5.2
-0.1+0.2-0.1

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
611-0-0No73.1%2152252No5,586,828
590-1-0No10.0104446No4,255,423
580-0-1NoNo937No5,584,469
Total:No29.3%82121473No15,426,720
Points
Chance Will Win Championship