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
Will 145.58 Julie 92.14 +16.3
+1.4
Dave 107.96 Katie 143.22 +4.2
+0.1
Taylor 89.14 Ben 88.04 -2.4
-0.1
Danny 122.28 Veronika 129.42 -2.1
-0.1
Laurel 140.38 Russell 121.14 +1.3
+0.1
Lucas 147.72 Morgan 101.78 +0.8
+0.1
Sofia 83.3 Netta 99.52 +0.2
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Will vs Veronika+16.4-16.4
+0.9-0.9
Danny vs Taylor+4.8-4.8
Dave vs Russell-4.0+4.0
-0.1+0.1
Sofia vs Francisco-3.2+3.1
-0.1+0.1
Emily vs Julie-1.8+1.8
+0.1-0.1
Laurel vs Netta+0.4-0.4

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
82-097.9%01124382522,409,299
71-136.7433451804,819,283
60-2Out6373319402,409,354
Total:42.8%0361223241985109,637,936
Games Above .500
Chance Will Make Playoffs