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
Chris 61 Eric 72 +10.9
+0.6
Adam 85.5 William 147 -2.5
Tyler 93 Peter 67 +2.0
-0.1
Kevin 54.5 Greg 88.5 -0.8
Rob 115 Jason 88 -0.4
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Eric 83 Rob 84.5 -15.5
-0.3
Jason 101 Kevin 122.5 +12.1
+0.2
Peter 122 Adam 119 -6.4
-0.1
William 109 Greg 99 +0.4
Tyler 54.5 Chris 93 -0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Kevin 165 Eric 67 Out
-0.5
William 127 Jason 137.5 Out
-0.1
Chris 108 Rob 100.5 -1.9
-0.4
Adam 107 Tyler 123.5 -0.1
Games Above .500
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 11/22100.0*Lottery seed
Chris 61 Eric 72 -0.6
Tyler 93 Peter 67 +0.1
Week of 11/29100.0*Lottery seed
Eric 83 Rob 84.5 +0.3
Jason 101 Kevin 122.5 -0.2
Peter 122 Adam 119 +0.1
Week of 12/6100.0*Lottery seed
Kevin 165 Eric 67 +0.5
Chris 108 Rob 100.5 +0.4
Adam 107 Tyler 123.5 +0.1
William 127 Jason 137.5 +0.1