To calculate your overall grade in the class, you can use the weighted average formula. Assuming your exam is worth 10% of your overall grade:
Overall Grade = (Class Grade * Class Weight) + (Exam Grade * Exam Weight)
Since your class grade is 101.73% and your exam grade is 76%, and the exam is worth 10%:
Overall Grade = (101.73% * 90%) + (76% * 10%)
Overall Grade = (0.9177) + (7.6)
Overall Grade = 8.5177%
So, you would have approximately 8.52% in the class after factoring in your exam grade.