Washington Redskins Playoff Chances 2015 50/50

Did not play, average seed unchanged at 3.3
10-5-0   .667

How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 12/17100.0*Chance in playoffs100.0*Average seed
Washington 1 Buffalo 0 +6.6
+0.4
Philadelphia 0 Arizona 1 +2.6
+0.2
Minnesota 1 Chicago 0 -1.4
-0.1
NY Giants 0 Carolina 1 +0.7
Oakland 0 Green Bay 1 -0.4
-0.0
Jacksonville 0 Atlanta 1 -0.4
-0.0
Week of 12/24100.0*Chance in playoffs100.0*Average seed
Minnesota 0 NY Giants 1 +0.2
Philadelphia 1 Washington 0 -0.2
Arizona 1 Green Bay 0 +0.1
If winner is:HomeTieAway
Week of 1/3100.0*Chance in playoffs100.0*Average seed
Dallas vs Washington-0.2-0.3+0.3
Green Bay vs Minnesota+0.3-0.2-0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
111-0-0In100796,874
10.50-0-1In5050627
100-1-0In5050800,435
Total:In75251,597,936
Games Above .500
Chance Will Make Playoffs