Riverton Silverwolves Playoff Chances 2014 50/50

Beat West 75-66, playoff odds up 12.5 to 50%
5-7   .417

How are these numbers calculated?

Big Games

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

Friday, 2/21100.0*Chance in playoffs100.0*Average seed
LP 94 Her 50 +12.5
+0.1
West 52 PG 78 +0.1
Tuesday, 2/25100.0*Chance in playoffs100.0*Average seed
Riv 75 West 66 +12.5
+0.1
If winner is:HomeAway
Friday, 2/28100.0*Chance in playoffs100.0*Average seed
Riv vs HerInOut
+0.5-0.5

What If

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

100100100100100100100
If finish:Chance inRegionChance will finish regular season at seed
TWW-LplayoffsChamps1234567Count
61-0InNo100700,739,645
50-1OutNo100700,732,803
Total:50.0%No50501,401,472,448
Games Above .500
Chance Will Make Playoffs