How are these numbers calculated?

Big Games

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

Week of 5/1100.0*UEFA CL100.0*Average seed
Genoa 2 Roma 3 -14.4
-0.1
Napoli 2 Atalanta 1 +9.4
+0.1
If winner is:HomeDrawAway
Week of 5/8100.0*UEFA CL100.0*Average seed
Torino vs Napoli-17.3-9.7+15.1
-0.2-0.1+0.2
Roma vs Chievo-12.8+14.9+19.0
-0.1+0.1+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleUEFA CL1234567891011121314151617181920Serie BCount
822-0-0NoYes100No389,709,920
801-1-0No79.7%8020No468,821,916
791-0-1No79.78020No217,573,822
780-2-0No50.35050No137,520,664
770-1-1No28.22872No115,923,877
760-0-2No18.01882No14,586,601
Total:No77.5%7723No1,344,136,800
Points
Chance Will Win Championship