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 +1.6
+0.6
Eric Rocha 2 Travis Porter 4 -0.6
Mike Ball 2 Bryan Fisher 4 -0.4
Kevin Thompson 1 Kris Biggs 5 -0.3
Jamie Fowler 0 Aaron Yeung 5 +0.1
+0.1
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
Brent Botchar vs Aaron YeungIn-0.0
+0.3-0.3
Jamie Fowler vs Taylor Armstrong-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
283-0-0In13871,528,472
262-1-0In9824,576,737
241-2-0In61354004,577,902
220-3-099.8%5284022501,527,625
Total:100.0%27117731012,210,736
Games Above .500
Chance Will Make Playoffs