How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 3/10100.0*Championship100.0*Average seed
Wales 22 Ireland 9 -18.5
-0.5
Saturday, 3/11100.0*Championship100.0*Average seed
England 61 Scotland 41 No
+0.0
Italy 18 France 40 -0.1
If winner is:HomeDrawAway
Saturday, 3/18100.0*Championship100.0*Average seed
Ireland vs England+0.8-0.6-0.8
Scotland vs Italy-0.3-0.2+0.3
France vs Wales+0.0-0.3+0.0

What If

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

100100100100100100
If finish:ChanceChance will finish season at seedWooden
TPW-D-Lwins titleChampionship123456SpoonCount
121-0-0NoNo8812No2,185,744,289
100-1-0NoNo15147No125,716,387
80-0-1NoNo42517No2,185,733,384
Total:NoNo4327264No4,497,194,060
Games Above .500
Chance Will Be Promoted