How are these numbers calculated?

Big Games

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

Week of 2/21100.0*Chance in playoffs100.0*Average seed
Eric Rocha 2 Travis Porter 4 +16.6
+0.7
Mike Ball 2 Bryan Fisher 4 -3.5
Kevin Thompson 1 Kris Biggs 5 -3.3
Jamie Fowler 0 Aaron Yeung 5 +1.5
+0.1
Brent Botchar 3 Jeff Cullum 1 +1.4
+0.1
Mike Jupp 1 Amar Bains 5 +0.2
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Travis Porter vs Kris Biggs+25.6-25.6
+0.9-0.9
Kevin Thompson vs Bryan Fisher+5.1-5.1
+0.1-0.1
Jamie Fowler vs Taylor Armstrong-3.4+3.4
-0.2+0.2
Mike Jupp vs Jeff Cullum+2.8-2.8
+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516Count
243-0-0In54146801,528,216
222-1-096.1%0225442544,574,986
201-2-030.60426521704,578,585
180-3-0Out76426301,528,949
Total:60.0%16151919221430012,210,736
Games Above .500
Chance Will Make Playoffs