New York Yankees Playoff Chances 2011 50/50

Beat Toronto 7-1, playoff odds up 23.8 to 100%
7-2   .778

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
New York 14 Oakland 7 +15.7
+0.9
Boston 6 Minnesota 5 -5.6
-0.2
Los Angeles 0 Cleveland 1 +3.7
+0.1
Toronto 2 Detroit 3 +2.0
+0.1
Kansas City 4 Texas 12 -0.6
Chicago 1 Tampa Bay 4 +0.6
Saturday, 4/9100.0*Chance in playoffs100.0*Average seed
Toronto 1 New York 7 In
+1.3
Boston 6 Kansas City 4 -6.6
-0.3
Minnesota 3 Detroit 4 -0.1
Oakland 4 Texas 11 -0.2
If winner is:HomeAway
Sunday, 4/10100.0*Chance in playoffs100.0*Average seed
New York vs Chicago+0.7-0.7
Boston vs Tampa Bay-0.5+0.5
Texas vs Seattle-0.2+0.3

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
81-0In50505,175,206
70-1In50505,176,286
Total:In25502510,351,492
Games Above .500
Chance Will Make Playoffs