Detroit Tigers Playoff Chances 2014-7 50/50

Beat Indians 5-4, playoff odds unchanged at 73.7%
82-66   .554

How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
White Sox 1 Tigers 7 +5.8
+0.3
Mariners 3 Nationals 8 +2.3
Royals 1 Indians 6 +0.7
+0.1
Blue Jays 3 Yankees 6 -0.4
Angels 4 Athletics 0 +0.2
Saturday100.0*Chance in playoffs100.0*Average seed
White Sox 4 Tigers 8 +5.9
+0.3
White Sox 6 Tigers 3 -5.7
-0.3
Mariners 1 Nationals 3 +2.0
Blue Jays 2 Yankees 0 +0.7
Royals 2 Indians 3 +0.5
+0.1
Angels 2 Athletics 0 +0.2

What If

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

Games Above .500
Chance Will Make Playoffs