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 -9.8
-0.7
Weezy 88.5 Paul 126.7 -0.2
Keegan 184 Jackson 173.1 -0.1
If winner is:HomeAway
Week of 9/27100.0*Chance in playoffs100.0*Average seed
Scout vs VanValin-8.4+8.4
-0.7+0.7
Keegan vs Weezy-0.3+0.3
Corey vs Willy+0.3-0.3
Jackson vs Snider+0.2-0.2

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
2211-0In9917,023
2010-1In86130051,572
189-2100.0%5140910258,471
168-397.810363715200775,270
147-456.40317363111201,552,862
126-52.700316353212202,172,396
105-60.000319403072,173,538
84-7Out0011144441,552,774
63-8Out011782776,458
42-9Out0397258,821
21-10Out010051,635
00-11Out1007,120
Total:20.8%3468911121416189,637,940
Games Above .500
Chance Will Make Playoffs