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
Brent Botchar 3 Jeff Cullum 1 -7.9
-0.8
Eric Rocha 2 Travis Porter 4 -1.8
-0.1
Kevin Thompson 1 Kris Biggs 5 -1.6
-0.1
Jamie Fowler 0 Aaron Yeung 5 +1.1
+0.1
Mike Ball 2 Bryan Fisher 4 -0.6
Mike Jupp 1 Amar Bains 5 +0.1
+0.1
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Mike Jupp vs Jeff Cullum-16.3+16.3
-1.0+1.0
Jamie Fowler vs Taylor Armstrong-4.3+4.3
-0.2+0.2
Kevin Thompson vs Bryan Fisher+3.8-3.8
+0.2-0.2
Travis Porter vs Kris Biggs-0.4+0.4
Mike Ball vs Amar Bains-0.2+0.2
Brent Botchar vs Aaron Yeung-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516Count
253-0-0In50501,528,699
232-1-099.9%4344217204,578,989
211-2-073.90527422334,574,741
190-3-04.5043052141,528,307
Total:78.2%819181617128212,210,736
Games Above .500
Chance Will Make Playoffs