Arizona Diamondbacks Playoff Chances 2015-1 50/50

Beat Giants 7-6, playoff odds up 17.6 to 33.3%
1-1   .500

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
Diamondbacks 4 Giants 5 -25.0
-2.6
Diamondbacks 7 Giants 6 +15.7
+2.8
Dodgers 3 Padres 7 +2.4
-0.1
Brewers 2 Rockies 5 -2.3
+0.1
Brewers 0 Rockies 10 -2.0
-0.2
Marlins 2 Braves 12 +1.1
+0.2
Phillies 0 Red Sox 8 +1.0
+0.2
Games Above .500
Chance Will Make Playoffs