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
Hunters 1 Gladiators 3 +1.8
+0.1
Fusion 1 Excelsior 3 +1.5
+0.1
Shock 4 Spark 0 +1.4
+0.1
Charge 3 Reign 1 +1.4
+0.2
Mayhem 1 Dragons 3 -1.2
-0.1
Uprising 0 Titans 4 +1.2
+0.1
Dragons 3 Outlaws 0 -1.1
-0.1
Dynasty 4 Fuel 0 +0.9
Gladiators 3 Mayhem 1 -0.9
Uprising 0 Spitfire 4 +0.3
Fuel 0 Titans 4 +0.2
Defiant 0 Shock 4 -0.2
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Spitfire 4 Eternal 0 -21.3
-1.7
Eternal 2 Spark 3 -17.2
-2.0
Fuel 3 Outlaws 1 -2.2
-0.1
Spitfire 1 Hunters 3 -1.9
-0.2
Dynasty 4 Outlaws 0 -1.4
-0.1
Valiant 2 Dynasty 3 -1.3
+0.1
Hunters 1 Spark 3 +1.0
Fuel 4 Valiant 0 -0.2
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Spark vs Dynasty+0.1Out
Eternal vs Defiant+0.1Out
+1.6-1.6
Valiant vs Hunters+0.1Out
-0.2+0.2
Titans vs Dynasty+0.1Out
Shock vs Fusion+0.1Out
+0.2-0.2
Justice vs Dragons+0.1Out
Shock vs Dragons+0.1Out
+0.1-0.1
Uprising vs Justice-0.2+0.2
Gladiators vs Uprising+0.2-0.2
Excelsior vs Reign+0.3-0.3
Titans vs Defiant+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
31-00.2%0210253621504,556,504,508
20-1Out18243526604,556,601,252
Total:0.1%015131915141713309,113,105,760
Games Above .500
Chance Will Make Playoffs