St. Louis Cardinals Playoff Chances 2011 50/50

Lost to Atlanta 0-1, playoff odds down 3.1 to 0.1%
3-5   .375

How are these numbers calculated?

Big Games

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

Friday, 4/8100.0*Chance in playoffs100.0*Average seed
St. Louis 0 Atlanta 1 -3.2
-1.8
San Francisco 0 Cincinnati 7 -1.1
+0.1
Milwaukee 1 Florida 3 +0.6
-0.2
Pittsburgh 3 San Diego 4 -0.4
-0.1
Houston 2 Los Angeles 1 -0.1
+0.1
Colorado 7 Arizona 5 +0.1
-0.1
New York 6 Washington 7 +0.1
+0.1
Chicago 7 Philadelphia 6 +0.1
If winner is:HomeAway
Saturday, 4/9100.0*Chance in playoffs100.0*Average seed
Pittsburgh vs Milwaukee+0.1Out
-0.1+0.1
Chicago vs St. LouisOut+0.1
-1.9+1.9
San Francisco vs Colorado+0.1-0.1
Florida vs New York-0.1+0.1
+0.1-0.1
Washington vs Atlanta-0.2+0.2
Philadelphia vs Los Angeles+0.2-0.2
Cincinnati vs Houston+0.3-0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
52-00.5%051727261573001,384,025
41-1Out04162423171322,761,187
30-2Out11139481,382,276
Total:0.1%0147744912121217135,527,488
Games Above .500
Chance Will Make Playoffs