How are these numbers calculated?

Big Games

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

Week of 12/4100.0*Chance in playoffs100.0*Average seed
Rocco 86.8 Frank the Tank 71.26 +24.5
+2.6
B3rT 69.14 Arrow's Team 88.48 -1.5
-0.1
Nacho Vidal 83.56 Fab's Team 105.8 -1.3
-0.1
Le chat 60.74 Monday Morning QB 86.22 -1.2
Jordan Pete's T 33.26 Maks 58.34 -0.3
+0.1
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Rocco 73.66 Maks 60.78 In
+3.7
Jordan Pete's T 55 Frank the Tank 90 -3.4
-0.2
B3rT 98.92 Raider Crusader 106.18 -2.2
-0.2
Sly49ers 75 Arrow's Team 100 -0.4
Fab's Team 48.9 Monday Morning QB 76.5 +0.1
If winner is:HomeAway
Nacho Vidal vs Le chat-0.5+0.5

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
80-0In51494,170,736
Total:In51494,170,736
Games Above .500
Chance Will Make Playoffs