How are these numbers calculated?

Big Games

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

Week of 9/20100.0*Chance in playoffs100.0*Average seed
VanValin 130.4 Kyle 135.3 -5.6
-0.5
Weezy 88.5 Paul 126.7 -0.2
Keegan 184 Jackson 173.1 -0.2
Corey 98.1 Snider 157.6 -0.1
If winner is:HomeAway
Week of 9/27100.0*Chance in playoffs100.0*Average seed
Scout vs VanValin-2.3+3.6
-0.4+0.6
Corey vs Willy+0.4-0.2
-0.1+0.0
Keegan vs Weezy-0.2+0.4
+0.0-0.1
Jackson vs Snider+0.3-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910Count
2211-0In97308,349
2010-1In57385015,527
189-299.5%154334800127,857
168-384.311035391410617,495
147-430.20052544233001,969,698
126-51.70021743326004,327,149
105-60.0011140371016,694,811
84-7Out0093742127,303,185
63-8Out00843495,501,639
42-9Out0015852,723,276
21-10Out298798,288
00-11Out100112,946
Total:4.4%00136101619222330,200,220
Games Above .500
Chance Will Make Playoffs