How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Kyle Crew 68 Trevor Swem 55 -15.7
-1.0
Jason Rowe 58 anthony paul 111 +3.2
+0.1
jason henson 52 Paul Payne 71 -2.5
-0.1
Matt Aman 59 Jonathan Ren 82 +1.5
+0.1
Tim Kanasty 87 Jeff Klank 80 +1.5
+0.1
Jake Gabrielson 88 chris zaitonia 79 +1.5
Week of 11/29100.0*Chance in playoffs100.0*Average seed
anthony paul 90 Paul Payne 57 +3.7
+0.1
Jason Rowe 104 Jake Gabrielson 96 -3.5
-0.2
jason henson 66 Kyle Crew 124 -2.7
-0.2
Tim Kanasty 112 Matt Aman 85 +2.4
+0.1
chris zaitonia 92 Jeff Klank 105 -2.4
-0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Paul Payne vs Trevor Swem-42.8+42.7
-1.3+1.3
Matt Aman vs Jake Gabrielson-6.2+6.2
-0.2+0.2
Tim Kanasty vs Jason Rowe+6.0-6.0
+0.1-0.1
Kyle Crew vs Jeff Klank+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
7.51-0-092.8%273926714,148,620
6.50-1-07.31623511814,142,116
Total:50.0%1420161526928,290,736
Games Above .500
Chance Will Make Playoffs