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
Shock 4 Spark 0 +1.7
+0.1
Hunters 1 Gladiators 3 +1.7
+0.1
Charge 3 Reign 1 +1.6
+0.2
Uprising 0 Titans 4 +1.3
+0.1
Mayhem 1 Dragons 3 -1.2
-0.1
Dragons 3 Outlaws 0 -1.1
Fusion 1 Excelsior 3 +1.1
+0.1
Dynasty 4 Fuel 0 +0.9
Uprising 0 Spitfire 4 +0.5
Gladiators 3 Mayhem 1 -0.5
+0.1
Fuel 0 Titans 4 +0.4
Defiant 0 Shock 4 +0.1
+0.1
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Fuel 4 Valiant 0 -19.0
-1.8
Valiant 2 Dynasty 3 -12.4
-1.9
Fuel 3 Outlaws 1 -2.3
Spitfire 4 Eternal 0 +2.1
+0.1
Dynasty 4 Outlaws 0 -1.3
Hunters 1 Spark 3 +0.8
Eternal 2 Spark 3 -0.5
Spitfire 1 Hunters 3 -0.1
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Spark vs Dynasty+0.0Out
Valiant vs Hunters+0.0Out
+1.4-1.4
Titans vs Dynasty+0.0Out
Shock vs Fusion+0.0Out
+0.1-0.1
Justice vs Dragons+0.0Out
Shock vs Dragons+0.0Out
+0.1-0.1
Uprising vs Justice-0.1+0.1
Gladiators vs Uprising+0.2-0.2
Excelsior vs Reign+0.2-0.2
Titans vs Defiant+0.2-0.2
Outlaws vs Spitfire-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
31-00.0%0141018312784,556,508,772
20-1Out01933381724,556,596,988
Total:0.0%0025916182119819,113,105,760
Games Above .500
Chance Will Make Playoffs