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
Kevin Thompson 1 Kris Biggs 5 +15.1
+0.9
Eric Rocha 2 Travis Porter 4 -3.4
Jamie Fowler 0 Aaron Yeung 5 +1.8
+0.1
Brent Botchar 3 Jeff Cullum 1 +1.5
+0.1
Mike Ball 2 Bryan Fisher 4 -0.9
Mike Jupp 1 Amar Bains 5 +0.3
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Travis Porter vs Kris Biggs-23.7+23.6
-1.0+1.0
Jamie Fowler vs Taylor Armstrong-3.8+3.8
-0.2+0.2
Kevin Thompson vs Bryan Fisher+3.3-3.3
+0.1-0.1
Mike Jupp vs Jeff Cullum+3.0-3.0
+0.1-0.1
Mike Ball vs Amar Bains-0.6+0.6
-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516Count
233-0-0In43849901,529,937
212-1-084.1%11335351424,575,043
191-2-07.9017355164,578,015
170-3-0Out334816201,527,741
Total:47.0%151114161824820012,210,736
Games Above .500
Chance Will Make Playoffs