How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Scott 100 Lin 99 In
+0.2
Carolyn 96 Randy 68 -0.1
-0.1
Nicole 116 Jake 83 +0.2
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Randy vs Scott-0.5+0.5
Carolyn vs Nicole-0.2+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
102-0In1002,410,855
91-1In75254,817,786
80-2In1002,409,299
Total:In63379,637,940
Games Above .500
Chance Will Make Playoffs