How are these numbers calculated?

Big Games

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

Week of 11/30100.0*Chance in playoffs100.0*Average seed
Chad Velcoros 81 You may need an 79 -1.1
-0.5
Auntie Angels B 58 Suck my Seattle 118 -0.1
PDX RiverMadden 103 Fear Boners 90 -0.1
Deflate These B 56 Seatown Hawk Sq 107 +0.0
Week of 12/7100.0*Chance in playoffs100.0*Average seed
You may need an 106 PDX RiverMadden 96 In
+0.5
Seatown Hawk Sq 135 Chad Velcoros 106 -0.2
Suck my Seattle 101 Deflate These B 112 -0.0
If winner is:HomeTieAway
Week of 12/14100.0*Chance in playoffs100.0*Average seed
Auntie Angels B vs You may need an-0.8+0.1+0.3
PDX RiverMadden vs Seatown Hawk Sq+0.4+0.4-0.2
Deflate These B vs Fear Boners-0.0+0.2+0.2

What If

Chances based on how well the You may need an finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678Count
101-0-0In495194,164,380
9.50-0-1In3664629,797
90-1-0In3346231,242,831
Total:In384715126,037,008
Games Above .500
Chance Will Make Playoffs