How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 500101820071345139$313,763
Auto Club 500151425091185123104,350
UAW-Dodge 40036267165165205,800
Kobalt Tools 50041332511605165107,375
Food City 500414506160160123,525
Goody’s Cool Orange 500201949910310385,175
Samsung 5003916312464690,500
Subway Fresh Fit 50091831213813889,475
Aaron’s 499183118810910998,525
Crown Royal Presents Richmond 400142341012112184,575
Dodge Challenger 500431234953453983,164
Coca-Cola 6002440021705175248,600
Dover 4003140016416510175183,525
Pocono 50015332004118512381,175
Michigan 40020720310310388,875
Toyota/Save Mart 35011101121130513595,600
Lenox Industrial Tools 301211528410010085,200
Daytona 400433369343491,612
Chicagoland 400411267431605165153,550
Allstate 400 at the Brickyard812160142142196,225
Pennsylvania 5001392002124512983,475
Centurion Boats at The Glen2189010010075,400
3M Performance 4004920011605165108,700
Sharpie 5001114500130130110,525
California 500215250121705175185,375
Chevy Rock and Roll 40014640012112183,700
Sylvania 30019300581855190233,575
Dover 400 Number 215400291855190218,450
Kansas 400318267165165180,100
Amp Energy 500242217429159685,075
Bank of America 50073334161465151101,625
Martinsville 5001235049127513287,750
Pep Boys Auto 50010232511345139113,425
Dickies 50051933421555160177,775
Checker Auto Parts 50011313137130513586,350
Ford 4001823267109109
10,4564654,642+105-0=4,747$4,541,889