PLEASE HELP ME FAST!! I need the answer in a percent and I can't download any files, sorry

Xian plans to run 14 laps around the track. Each lap is 400 yards. So far, Xian has run 1,680 yards around the track. What percentage of the run has Xian completed?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.