Pittsburgh Pirates Playoff Chances 2014-7 50/50

Losing to Cubs 3-6 (Top 9th), playoff odds unchanged at 65%
78-69   .531

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
Pirates 2 Reds 1 +5.6
+0.3
Cardinals 2 Cubs 7 +1.3
Braves 5 Marlins 2 -1.0
Giants 13 Brewers 2 -0.3
Saturday100.0*Chance in playoffs100.0*Average seed
Pirates 3 Reds 2 +6.0
+0.3
Cardinals 1 Cubs 5 +1.5
+0.1
Cardinals 13 Cubs 2 -1.5
-0.1
Braves 0 Marlins 4 +1.3
Padres 2 Dodgers 1 +0.2
Mariners 1 Nationals 3 -0.2

What If

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

Games Above .500
Chance Will Make Playoffs