How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 500320152165165$836,563
Auto Club 500298248767687,250
Shelby 4273319281646485,975
Kobalt Tools 500173832811211277,825
Food City 500162650311511591,225
Goody’s Fast Relief 50091650013813881,425
Samsung 5003425328616192,400
Subway Fresh Fit 5003525309585866,100
Aaron’s 4993538164585884,675
Crown Royal Presents Richmond 400213140010010073,475
Southern 500173836711211286,050
Coca-Cola 6003238226676788,150
Dover 400297396767682,550
Pocono 5003030199737367,050
LifeLock 400396144464673,740
Toyota/Save Mart 35072011314614698,700
Lenox Industrial Tools 3013230238676773,050
Coke Zero 400173016011211298,975
LifeLock.com 400132026712412498,225
Allstate 400 at the Brickyard2033160103103158,675
Pennsylvania 500172720011211272,750
NASCAR Sprint Cup Series at the Glen13189012412474,350
Michigan 4002213200979779,400
Sharpie 5003719452525288,205
Pep Boys Auto 5002035325103103100,850
Chevy Rock and Roll 4002317400949474,550
Sylvania 3002534299888878,350
Dover 400 Number 271940014614693,050
Kansas 400171526711211295,000
Pepsi 5003312244646490,000
Bank of America 5002326333949472,550
Tums Fast Relief 5003416414616170,300
Amp Energy 5003325189646474,875
Dickies 5001016333134134124,025
Checker O'Reilly Auto Parts 500131631212412477,600
Ford 4001013267134134
10,20803,476+0-0=3,476$3,767,933