(237 / 410) * 100% ≈ 57.8%
A percentage of 57.8% generally falls within a D or C range, depending on the grading scale used. Most grading scales don't have a hard cutoff, and some might place it at the very high end of a D or the low end of a C. You'd need to check your specific school or teacher's grading rubric for the precise letter grade equivalent.