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 +13.5
+0.5
Mike Ball 2 Bryan Fisher 4 -6.2
-0.1
Kevin Thompson 1 Kris Biggs 5 -2.2
Brent Botchar 3 Jeff Cullum 1 +0.8
Jamie Fowler 0 Aaron Yeung 5 +0.6
+0.0
Mike Jupp 1 Amar Bains 5 +0.5
+0.1
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Travis Porter vs Kris Biggs+26.3-28.9
+0.9-1.0
Kevin Thompson vs Bryan Fisher+6.5-4.0
+0.2-0.1
Jamie Fowler vs Taylor Armstrong-3.7+0.9
-0.2+0.1
Mike Jupp vs Jeff Cullum-0.6+0.7

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
243-0-0In105532303,819,221
222-1-096.2%04284223414,567,377
201-2-025.803225420014,359,499
180-3-0Out48015103,886,111
Total:58.8%17141818231620036,632,208
Games Above .500
Chance Will Make Playoffs