How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 7/6100.0*Chance in playoffs100.0*Average seed
Travis Porter 132.67 Aaron Yeung 172.67 -5.5
-0.5
Mike Campbell 205.67 Mike Jupp 141.33 +0.8
+0.0
Greg Ross 233 Mike Ball 155.25 +0.6
+0.0
Derryk Homma 210.25 Amar Bains 191.58 -0.6
Daryl Fowler 180.08 Jesse Mallette 178.67 -0.5
-0.1
Chris Mackenzie 178.42 Dan Endacott 147.58 +0.4
-0.1
If winner is:HomeAway
Week of 7/13100.0*Chance in playoffs100.0*Average seed
Mike Ball vs Travis Porter-2.6+3.3
-0.5+0.6
Aaron Yeung vs Amar Bains-0.5+1.0
Mike Jupp vs Chris Mackenzie-0.3+0.4
Derryk Homma vs Jesse Mallette-0.3+0.2
Daryl Fowler vs Dan Endacott+0.1-0.0
-0.1+0.1

What If

Chances based on how well the Travis Porter finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
268-099.8%01048366038,757
247-188.80838421100370,945
226-235.705314617201,767,767
205-32.6003214328504,657,742
184-40.001124039807,491,835
163-5Out008424367,508,635
142-6Out00951394,609,005
121-7Out016841,586,653
100-8Out100239,253
Total:4.0%000137111824231428,270,592
Games Above .500
Chance Will Make Playoffs