How are these numbers calculated?

Big Games

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

Week of 2/25100.0*Chance wins title100.0*Average seed
Ireland 19 France 9 -11.7
-0.9
Scotland 29 Wales 13 -0.8
England 36 Italy 15 No
+0.0
If winner is:HomeDrawAway
Week of 3/10100.0*Chance wins title100.0*Average seed
Wales vs Ireland-0.1+0.1+0.1

What If

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

100100100100100100
If finish:ChanceChance will finish season at seed
TPW-OTLDwins title123456Count
122-000No2762112,376,472,597
101-001No432586326,919,360
81-010No1047434,744,369,361
0-002No485211,258,196
60-011No57620326,903,972
40-020No48522,376,465,574
Total:No72026341310,162,389,060
Points
Chance Will Win Championship