How are these numbers calculated?

Big Games

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

Week of 11/8100.0*Chance in playoffs100.0*Average seed
Kevin 148 Emily 64 -0.6
-0.5
Ryan 116 Luke 97 +0.3
-0.1
James 94 Daneen 77 -0.2
+0.1
Gonzalo 144 Bryn 107 +0.1
Karlyn 88 Maurice 107 +0.1
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Heyman vs Emily-0.5+0.5
Ryan vs Maurice-0.2+0.2
Graham vs Daneen+0.2-0.2
Karlyn vs Gonzalo-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
53-0Out32960701,688,129
42-1Out143431215,059,264
31-2Out73141205,060,288
20-3Out320771,689,447
Total:Out042629231813,497,128
Games Above .500
Chance Will Make Playoffs