Seattle Mariners Playoff Chances 2014-2 50/50

Plays Blue Jays, playoff odds unchanged at 51.2%
65-55-0   .542

How are these numbers calculated?

Big Games

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

Sunday100.0*Chance in playoffs100.0*Average seed
Mariners 6 Athletics 4 +2.9
+0.3
Athletics 6 Cubs 10 +0.3
Cardinals 6 Astros 3 +0.3

What If

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

Games Above .500
Chance Will Make Playoffs