Hello

Greetings

Raw scores can Not be calculated by Your Percentile Scores

Your percentile score is only 27 It means 27% student of the Total student appeared for the Exam are Behind You Therefore 73% students of the Total students appeared for the exam are Ahead of You, Therefore Your calculated rank is 638362

Your Rank would change Either Your Percentile Score is Increases in the next attempt or Number of Student increases in the Next attempt the Number of Student Increases to 1400000 and Your percentile remains same then Your New rank would be more than 10 lakhs

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

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