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
+0.6
Scotland 29 Wales 13 +0.8
-1.0
+0.0
Ireland 19 France 9 +0.3
-1.3
If winner is:HomeDrawAway
Week of 3/10100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Wales vs Ireland+0.1+0.2-0.1

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
18-20In100No235,995,418*
161-0-1In5545No422,613,969
0-2-0In100No700,405
140-1-1In255025No24,328,179
120-0-2In45243No211,676,321
Total:In53231310No895,314,292

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs