How are these numbers calculated?

Big Games

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

Week of 3/10100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Wales 22 Ireland 9 Out
+6.5
-0.1
Week of 3/11100.0*Chance in playoffs100.0*Wooden Spoon100.0*Average seed
Italy 18 France 40 Yes
-0.1
Week of 3/18None
Games Above .500
Chance Will Make Playoffs