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 in playoffs100.0*Wooden Spoon100.0*Average seed
England 36 Italy 15 In
No
+0.0
Scotland 29 Wales 13 +0.2
+0.0
If winner is:HomeDrawAway
Week of 3/10100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Wales vs Ireland+0.1+0.1-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-D-Lplayoffs123456SpoonCount
18-20In100No1,800,681,599*
161-0-1In4258No855,906,105
0-2-0In100No2,178,090
140-1-1In114544No30,033,847
120-0-2In25246No94,909,619
Total:In781822No2,783,709,260

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs