How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 4/23100.0*Chance wins title100.0*UEFA CL100.0*Average seed
Juventus vs Genoa-1.3+1.6+4.5
Pescara vs Roma-2.2-1.6+1.0
-1.2-0.3+0.2
-0.2-0.1+0.1
Sassuolo vs Napoli+0.1+0.0-0.0
+0.1+0.0-0.0
+0.1+0.1-0.1
Lazio vs Palermo-0.1+0.1+0.2
If winner is:HomeDrawAway
Week of 4/30100.0*Chance wins title100.0*UEFA CL100.0*Average seed
Atalanta vs Juventus+3.2+0.6-1.7
-0.3+0.1+0.1
Roma vs Lazio+1.9-1.3-2.0
+0.3+0.2-0.9
+0.1-0.1-0.2
Internazionale vs Napoli+0.0+0.0-0.1
+0.1+0.1-0.1

What If

Chances based on how well Roma finishes out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleUEFA CL1234567891011121314151617181920Serie BCount
906-0-050.9%Yes5149No287,238
885-1-020.6Yes2179No1,153,317
875-0-17.6Yes8911No746,680
864-2-04.7Yes5941No1,921,332
854-1-11.3Yes1917No2,401,228
843-3-00.5Yes18911No1,685,907
4-0-20.3Yes08911No684,664
833-2-10.1Yes08020No3,057,932
823-1-20.0Yes06931No1,691,335
2-4-00.0Yes06931No819,858
812-3-10.0Yes05842No1,925,234
3-0-30.0Yes05743No285,243
802-2-20.0Yes04456No1,553,602
1-5-00.0Yes04357No210,211
791-4-1No99.9%32680No601,235
2-1-3No99.631680No510,721
781-3-2No98.6217810No629,151
2-0-4No98.0217720No57,138
0-6-0No99.221781No22,547
771-2-3No96.4128440No303,438
0-5-1No98.3138620No74,154
760-4-2No89.6783100No94,952
1-1-4No86.0680131No66,919
750-3-3No79.53771920No59,469
1-0-5No75.13722320No5,227
740-2-4No58.61583560No19,223
730-1-5No34.403446181No3,013
720-0-6No14.51445355No2,792
Total:2.8%99.7%37027000No20,873,760
Points
Chance Will Win Championship