Hi

First of all congratulations for getting good GPA and GPA is multiplied by 9.5 to get percentage because a person who score 10 on 10gpa would have score anything between 95% and 100%and the system of gpa was introduced to take away hard feeling of losing top ranks because of 1-2marks difference so this has been introduced and coming to your query based on your GPA 9.2 your percentage is 9.5 multiplied by 9.2=87.4% so your percentage is 87.4


Hope this information is helpful

All the best