How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/28100.0*Chance in playoffs100.0*Play-in100.0*Average seed
Charge 1 Dragons 3 +4.8
+2.1
+0.4
Valiant 4 Spitfire 0 +1.8
-0.2
+0.1
Shock 4 Spitfire 0 +1.4
+0.0
Gladiators 4 Defiant 0 -1.3
+0.2
Valiant 2 Spark 3 -1.0
+0.1
-0.0
Fusion 3 Uprising 2 -0.9
+0.2
-0.0
Dynasty 3 Hunters 0 -0.8
+0.3
-0.0
Dynasty 3 Eternal 1 -0.5
+0.3
-0.0
Titans 4 Gladiators 0 +0.5
+0.0
Spark 4 Mayhem 0 -0.3
-0.0
Excelsior 3 Fuel 2 +0.1
+0.1
+0.0
Hunters 3 Shock 2 -0.5
Defiant 1 Outlaws 3 +0.2
If winner is:HomeAway
Week of 7/6100.0*Chance in playoffs100.0*Play-in100.0*Average seed
Dragons vs Fusion+11.0-11.0
+0.6-0.6
+0.6-0.6
Dragons vs Charge+5.6-10.8
+0.5-1.0
+0.3-0.7
Justice vs Fusion+3.0-0.6
+0.1-0.0
Defiant vs Excelsior-0.2+0.0
Charge vs Justice-0.0+0.1
Reign vs Mayhem-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-LplayoffsPlay-in1234567891011121314151617181920Count
209-0InYes0435512,929,156
198-1100.0%Yes10692110032,626,669
187-297.9Yes1324916200164,362,840
176-371.5Yes05283923600446,054,023
165-420.6Yes0041735331100730,680,180
154-51.4100.0%0011036484000756,824,514
143-60.0100.0000962253000498,709,118
132-70.098.8000264323710000202,502,865
121-8Out70.402112730198200046,145,798
110-9Out6.7001617272716614,870,597
Total:23.4%99.3%0038121520289310000002,885,705,760
Games Above .500
Chance Will Make Playoffs