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
Uprising 0 Spitfire 4 -19.8
-1.9
Uprising 0 Titans 4 -16.3
-1.9
Fusion 1 Excelsior 3 +1.7
+0.1
Hunters 1 Gladiators 3 +1.7
+0.1
Shock 4 Spark 0 +1.5
+0.1
Charge 3 Reign 1 +1.3
+0.2
Mayhem 1 Dragons 3 -1.2
-0.1
Gladiators 3 Mayhem 1 -0.9
Dragons 3 Outlaws 0 -0.9
Dynasty 4 Fuel 0 +0.8
Fuel 0 Titans 4 +0.3
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Fuel 3 Outlaws 1 -1.9
Spitfire 1 Hunters 3 -1.6
-0.2
Spitfire 4 Eternal 0 +1.2
+0.1
Dynasty 4 Outlaws 0 -0.8
Valiant 2 Dynasty 3 -0.7
+0.1
Eternal 2 Spark 3 -0.5
Hunters 1 Spark 3 +0.5
Fuel 4 Valiant 0 +0.1
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Gladiators vs Uprising-3.4+3.4
-1.7+1.7
Uprising vs Justice+3.4-3.4
+1.7-1.7
Valiant vs Hunters+2.1-2.1
-0.1+0.1
Shock vs Fusion+2.0-2.0
+0.1-0.1
Shock vs Dragons+1.5-1.5
+0.1-0.1
Justice vs Dragons+1.5-1.5
Mayhem vs Fuel+1.4-1.4
Titans vs Dynasty+0.9-0.9
+0.1-0.1
Spark vs Dynasty-0.8+0.8
-0.1+0.1
Titans vs Defiant+0.2-0.2
Excelsior vs Reign+0.2-0.2
Eternal vs Defiant-0.1+0.1
Outlaws vs Spitfire-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
42-013.6%021128352042,278,793,929
31-10.00002123438144,555,511,050
20-2Out002123138172,278,800,781
Total:3.4%013796717201081049,113,105,760
Games Above .500
Chance Will Make Playoffs