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
Jamie Fowler 0 Aaron Yeung 5 -3.1
-0.3
Mike Ball 2 Bryan Fisher 4 -2.5
-0.1
Eric Rocha 2 Travis Porter 4 -2.5
-0.1
Kevin Thompson 1 Kris Biggs 5 -1.7
-0.1
Mike Jupp 1 Amar Bains 5 +1.4
+0.3
Brent Botchar 3 Jeff Cullum 1 -0.3
Daryl Fowler 5 Jesse Mallette 1 -0.1
If winner is:HomeAway
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Jamie Fowler vs Taylor Armstrong+20.8-5.1
+1.5-0.4
Kevin Thompson vs Bryan Fisher+6.3-3.9
+0.2-0.1
Mike Jupp vs Jeff Cullum-4.4+4.8
-0.1+0.1
Travis Porter vs Kris Biggs-1.6+1.7
Brent Botchar vs Aaron Yeung-0.1+0.0

What If

Chances based on how well the Jamie Fowler finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516Count
243-0-0In514182,839,224
222-1-099.8%22146264014,992,645
201-2-063.12184433414,739,513
180-3-00.4027591304,060,826
Total:74.0%5122018201681036,632,208
Games Above .500
Chance Will Make Playoffs