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.