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 -4.7
-0.7
Eric Rocha 2 Travis Porter 4 -1.1
-0.0
Mike Ball 2 Bryan Fisher 4 -0.8
-0.1
Kevin Thompson 1 Kris Biggs 5 -0.7
Jamie Fowler 0 Aaron Yeung 5 +0.4
+0.1
Mike Jupp 1 Amar Bains 5 +0.2
+0.2
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Mike Jupp vs Jeff Cullum-11.6+12.7
-1.0+1.1
Jamie Fowler vs Taylor Armstrong-5.2+1.3
-0.3+0.1
Kevin Thompson vs Bryan Fisher+3.6-2.2
+0.2-0.1
Travis Porter vs Kris Biggs-0.6+0.7
Brent Botchar vs Aaron Yeung-0.2+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
253-0-0In66347,122,774
232-1-0100.0%74437101015,883,550
211-2-074.005264324211,131,103
190-3-03.904345662,494,781
Total:85.5%162617121495036,632,208
Games Above .500
Chance Will Make Playoffs