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 -12.4
-0.8
Uprising 0 Titans 4 -5.5
-0.5
Dynasty 4 Fuel 0 +2.2
+0.1
Dragons 3 Outlaws 0 -1.2
-0.0
Hunters 1 Gladiators 3 +0.9
+0.0
Fusion 1 Excelsior 3 +0.7
+0.0
Mayhem 1 Dragons 3 -0.5
-0.0
Charge 3 Reign 1 +0.5
+0.4
Shock 4 Spark 0 +0.4
+0.0
Fuel 0 Titans 4 +0.1
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Spitfire 1 Hunters 3 -0.5
-0.4
Valiant 2 Dynasty 3 -0.2
Eternal 2 Spark 3 -0.1
+0.1
Spitfire 4 Eternal 0 +0.1
+0.0
Dynasty 4 Outlaws 0 -0.1
-0.1
Fuel 4 Valiant 0 -0.1
+0.1
Fuel 3 Outlaws 1 -0.1
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Gladiators vs Uprising-0.3+4.7
-0.2+2.6
Justice vs Dragons+1.5-0.1
Valiant vs Hunters+0.4-0.2
-0.3+0.2
Uprising vs Justice+0.1-0.3
+0.3-1.9
Shock vs Dragons+0.1-0.3
Shock vs Fusion+0.0-0.3
+0.0-0.1
Titans vs Dynasty+0.0-0.2
+0.0-0.1
Spark vs Dynasty+0.1-0.1
Mayhem vs Fuel+0.1-0.0
Titans vs Defiant+0.0-0.2
Excelsior vs Reign+0.1-0.6
Eternal vs Defiant-0.2+0.4

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
42-05.9%00631441821,519,379,203
31-10.10146284217224,604,083,413
20-2Out311164421404,018,920,264
Total:0.3%000265233616731030,142,382,880
Games Above .500
Chance Will Make Playoffs