Gondwana University follows a CGPA system. You can convert your CGPA into percentage by using the formula mentioned below.

Percentage (%) = (CGPA - 0.75) *10

For example, if your CGPA is 5.75, the equivalent percentage will be = (5.75 - 0.75) *10 = 50%. 

To know in detail go through the official Conversion table for CGPA to Percentage of Gondwana University.