San Francisco Giants Playoff Chances 2011 50/50

Lost to Cincinnati 0-7, playoff odds down 12.7 to 4%
4-4   .500

How are these numbers calculated?

Big Games

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

Friday, 4/8100.0*Chance in playoffs100.0*Average seed
San Francisco 0 Cincinnati 7 -14.7
-1.6
Houston 2 Los Angeles 1 +2.9
+0.2
Pittsburgh 3 San Diego 4 -2.7
Colorado 7 Arizona 5 +1.2
Chicago 7 Philadelphia 6 -0.5
Milwaukee 1 Florida 3 +0.3
-0.1
New York 6 Washington 7 -0.3
+0.1
If winner is:HomeAway
Saturday, 4/9100.0*Chance in playoffs100.0*Average seed
San Francisco vs Colorado+4.0Out
+1.7-1.7
Pittsburgh vs Milwaukee+2.1-2.1
Philadelphia vs Los Angeles+2.0-2.0
+0.1-0.1
San Diego vs Arizona-0.7+0.7
Washington vs Atlanta+0.5-0.5
+0.2-0.2
Cincinnati vs Houston+0.5-0.5
Florida vs New York-0.4+0.4
-0.2+0.2
Chicago vs St. Louis+0.3-0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
62-015.9%163335133001,381,741
51-10.00031323232213302,763,597
40-2Out0151938241121,382,150
Total:4.0%48101012121211116315,527,488
Games Above .500
Chance Will Make Playoffs