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
Scotland 29 Wales 13 -19.2
+7.1
-0.8
Ireland 19 France 9 +1.9
-0.2
England 36 Italy 15 +0.1
-7.2
+0.0
If winner is:HomeDrawAway
Week of 3/10100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Wales vs Ireland+16.2-5.6-15.9
No+4.8+6.4
+0.6-0.4-0.5

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seedWooden
TPW-D-Lplayoffs123456SpoonCount
122-0-0In46522No211,686,964
101-1-096.5%534574No24,324,971
81-0-162.4125138No422,602,628
0-2-062.8125137No699,561
60-1-17.78761616.3%24,319,717
40-0-2Out742626.3211,680,451
Total:56.0%1119263776.7%895,314,292
Games Above .500
Chance Will Make Playoffs