How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Serie B100.0*Average seed
Coritiba 1 Santos 0 +8.1
-0.2
Fluminense 3 Avaí 1 -5.3
+0.1
Joinville 1 Vasco da Gama 2 +2.4
-0.1
Figueirense 0 Chapecoense 0 +1.9
-0.2
Atlético-MG 2 Goiás 2 -0.5
+0.0
Week of 11/28100.0*Serie B100.0*Average seed
Avaí 1 Ponte Preta 0 +19.5
-0.3
São Paulo 3 Figueirense 2 +12.8
-0.3
Palmeiras 0 Coritiba 2 +7.1
-0.2
Vasco da Gama 1 Santos 0 +4.4
-0.2
Chapecoense 1 Goiás 3 +1.0
-0.1
If winner is:HomeEmpateAway
Week of 12/6100.0*Serie B100.0*Average seed
Figueirense vs Fluminense-57.1YesYes
+1.2-0.5-0.7
Corinthians vs Avaí-4.3-4.3+23.9
+0.1+0.1-0.3
Coritiba vs Vasco da Gama+1.0+1.0-1.9
+0.2-0.1-0.2
Goiás vs São Paulo-0.5+0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
431-0-0NoNo16721212.4%14,796,495
410-0-1NoNo48439Yes10,263,415
400-1-0NoNo305416Yes17,361,050
Total:NoNo6252833969.4%42,420,960
Points
Chance Will Win Championship