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
Dragons 3 Outlaws 0 +16.6
+1.1
Mayhem 1 Dragons 3 +3.4
+0.4
Dynasty 4 Fuel 0 +2.4
Uprising 0 Spitfire 4 +1.9
+0.1
Charge 3 Reign 1 +1.7
+0.2
Shock 4 Spark 0 +1.2
+0.1
Uprising 0 Titans 4 +1.1
+0.1
Hunters 1 Gladiators 3 +0.9
+0.0
Fusion 1 Excelsior 3 +0.5
+0.0
Fuel 0 Titans 4 +0.1
Defiant 0 Shock 4 +0.0
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Spitfire 1 Hunters 3 -10.5
-0.2
Valiant 2 Dynasty 3 -1.5
-0.1
Spitfire 4 Eternal 0 +1.4
+0.1
Fuel 4 Valiant 0 -1.2
-0.1
Dynasty 4 Outlaws 0 -0.7
-0.0
Hunters 1 Spark 3 +0.7
Fuel 3 Outlaws 1 -0.4
-0.1
Eternal 2 Spark 3 -0.1
-0.1
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Justice vs Dragons-45.6+4.0
-2.0+0.2
Shock vs Dragons-6.8+41.1
-0.3+1.7
Valiant vs Hunters+25.2-14.2
+0.3-0.2
Titans vs Dynasty+2.6-15.9
+0.1-0.4
Shock vs Fusion+1.7-14.2
+0.0-0.4
Mayhem vs Fuel+12.1-0.6
+0.5-0.0
Gladiators vs Uprising+0.1-2.0
+0.0-0.1
Spark vs Dynasty-0.4+0.5
Uprising vs Justice-0.0+0.1
Titans vs Defiant+0.0-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
52-0In0015136133,925,520,616
41-152.2%07453891024,130,988,792
30-22.42122834175102,085,873,472
Total:55.0%000710383193100030,142,382,880
Games Above .500
Chance Will Make Playoffs