San Francisco Giants Playoff Chances 2015-1

Lost to Diamondbacks 6-7, playoff odds down 46.7 to 18.9%
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 7 Giants 6 -55.0
-1.7
Diamondbacks 4 Giants 5 +27.0
+2.9
Dodgers 3 Padres 7 +5.4
+0.4
Phillies 0 Red Sox 8 +1.0
+0.2
Brewers 0 Rockies 10 -0.7
-0.1
Dodgers 6 Padres 3 -0.4
Marlins 2 Braves 12 -0.2
Brewers 2 Rockies 5 -0.2
-0.0
Marlins 1 Braves 2 -0.2
Games Above .500
Chance Will Make Playoffs