47/73 as a percentage is 64.38%. This number tells you how much of a whole 47 parts represent when the whole is split into 73 equal pieces.
The fraction 47/73 is a proper fraction, meaning the numerator is smaller than the denominator. It can't be reduced any further because 47 and 73 share no common factors besides 1.
When you think about it in everyday terms, 64.38% means that if you had 73 items, about 47 of them would be counted. This makes it easy to compare the fraction to other percentages you might see in grades, discounts, or statistics.