Hello

Greetings

Your percentile score is only 28 It means 28% student of the Total student appeared for the Exam are Behind You Therefore 72% students of the Total students appeared for the exam are Ahead of You, Therefore Your calculated rank is 629618

Your Rank would change Either Your Percentile Score is Increases in the next attempt or Number of Student increases in the Next attemptIf the Number of Student Increases to 1400000 and Your percentile remain same then Your New rank would be 1.008e+006

Your rank is Not Good and You should Try in the Next attempt of JEE Main which is JEE Main April and Try to perform well, Right Now You have Not qualified JEE Main

 Here are Few Tips for You in the Next attempt

 1. You should Focus on NCERT Only Don'tDont Go for other Books

 2. Solve ALL Previous Years Questions of JEE Main and attempt as many as Mock tests You can

If Your Percentile Score Increases in the Next attempt Then Your Rank would Be calculated By the Following Formula

 (100 - your total percentile score (Higher of two)) X Student appeared in JEE Main/100

Hope this Helps All the Best