How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Chance in playoffs100.0*Average seed
Gladiators 3 Mayhem 1 +9.0
+1.2
Fusion 1 Excelsior 3 +0.6
Hunters 1 Gladiators 3 In
+1.1
Fuel 0 Titans 4 +0.1
Dynasty 4 Fuel 0 +0.1
+0.1
Defiant 0 Shock 4 +0.1
-0.2
Mayhem 1 Dragons 3 -0.1
Uprising 0 Titans 4 -0.3
Shock 4 Spark 0 -0.2
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Spitfire 1 Hunters 3 +0.1
Spitfire 4 Eternal 0 -0.1
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Gladiators vs Uprising+0.9-0.9
Shock vs Dragons-0.4+0.4
Shock vs Fusion-0.4+0.4
Titans vs Defiant-0.4+0.4
Titans vs Dynasty-0.4+0.4
Excelsior vs Reign-0.1+0.1
Outlaws vs Spitfire+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
71-0In563764,556,554,958
60-1In252851144,556,550,802
Total:In292332979,113,105,760
Games Above .500
Chance Will Make Playoffs