Toronto Blue Jays Playoff Chances 2015-1 50/50

Did not play, playoff odds down 8.5 to 28.6%
1-0   1.000

How are these numbers calculated?

Big Games

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

Week of 4/5100.0*Chance in playoffs100.0*Average seed
Yankees 1 Blue Jays 6 +20.5
+3.3
Rays 5 Orioles 6 -7.1
-0.3
Phillies 0 Red Sox 8 -2.0
-0.3
Mariners 0 Angels 2 +0.9
-0.1
Athletics 1 Rangers 3 +0.9
-0.1
Games Above .500
Chance Will Make Playoffs