How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
Evan 277.05 Roger 267.47 -9.9
-0.3
Tommy 208.57 Steve 153.6 -4.1
Jon 243.12 Stacy 193.25 +2.4
+0.1
Patrick 241.53 Noah 210.22 +0.9
Scott 311.33 Alec 256.7 -0.4
If winner is:HomeAway
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Tommy vs RogerOut+4.8
-0.3+0.3
Jon vs Steve+3.1-3.1
+0.1-0.1
Stacy vs Noah+1.3-1.3
-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
42-019.0%1962194,799,710
31-1Out14869,593,931
20-2Out1004,801,859
Total:4.8%5227319,195,500
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 11/13100.0*Lottery seed
Evan 277.05 Roger 267.47 +0.3
Jon 243.12 Stacy 193.25 -0.1
If winner is:HomeAway
Week of 11/20100.0*Lottery seed
Tommy vs Roger+0.3-0.3
Stacy vs Noah+0.1-0.1
Jon vs Steve-0.1+0.1

What If

100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L12345678910
42-0196219
31-11486
20-2100
Total:52273