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 +1.9
+0.7
Mike Ball 2 Bryan Fisher 4 -0.7
-0.0
Eric Rocha 2 Travis Porter 4 -0.6
Kevin Thompson 1 Kris Biggs 5 -0.2
Mike Jupp 1 Amar Bains 5 +0.2
+0.2
Jamie Fowler 0 Aaron Yeung 5 +0.1
+0.1
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Brent Botchar vs Aaron YeungIn-0.0
+0.4-0.1
Jamie Fowler vs Taylor Armstrong-0.2+0.1
Mike Jupp vs Jeff Cullum+0.1-0.1

What If

Chances based on how well the Brent Botchar finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516Count
283-0-0In1991,773,219
262-1-0In100010,699,077
241-2-0In712820018,207,115
220-3-099.8%7323918305,952,797
Total:100.0%07019731036,632,208
Games Above .500
Chance Will Make Playoffs