How are these numbers calculated?

Big Games

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

Week of 8/20100.0*Chance in playoffs100.0*One Seed100.0*Average seed
Grey 7 Royal 22 +19.5
+1.9
+1.0
Gold 0 Royal 18 +11.5
+1.9
+0.7
Grey 16 Black 26 +3.7
-0.5
+0.1
Tropical 16 White 0 +1.3
-1.6
+0.1
Red 0 Gold 12 -0.2
Week of 8/27100.0*Chance in playoffs100.0*One Seed100.0*Average seed
Tropical 14 Red 24 -0.9
-0.2
If winner is:HomeAway
Royal vs BlackIn-37.5
+1.3-1.3
Grey vs Orange+12.5-12.5
+0.4-0.4
Orange vs White-12.5+12.5
-0.4+0.4
Gold vs White-0.2+0.2

What If

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

100100100100100100100100100
If finish:Chance inOneChance will finish regular season at seedLast
TWW-LplayoffsSeed123456789PlaceCount
41-0InNo384022No16,721,527
30-125.0%No251263No16,714,811
Total:62.5%No192024631No33,436,338
Games Above .500
Chance Will Make Playoffs