The process for calculating the percentage is given below
If a person has a 5.53 CGPA on 7 point scale CGPA then - (5.53 * 10)/7 = 7.9, which is a 10-point scale CGPA
Now calculate the percentage - 7.9 CGPA*9.3 (standard number used by companies that come for placements) = 73.47%