As per the formula given by VTU.
To convert CGPA to % :
CGPA – 0.75 multiplied by 10 is equal to %.
For ex: (6.75 – 0.75) x 10 = 60%
and (8.50 – 0.75)x10= 77.5%.
To convert % tage to CGPA :
Similarly, % divided by 10 plus 0.75 equals CGPA.
For ex: (77.5/10)+ 0.75= 8.50 CGPA