What is 16/68 as a percentage? It is 23.53% (rounded to two decimal places). The fraction 16/68 can also be written in its simplest form as 4/17, which still represents the same part of a whole.
Seeing 23.53% in everyday life can be useful. For example, if you earned $68 and spent $16, you would have used about 23.53% of your money. The same percentage shows up in statistics, like the portion of a class that scored a certain grade.
Remember that percentages are just another way to talk about fractions. Whether you see 4/17, 16/68, or 23.53%, they all describe the same size relative to the whole. This makes it easy to switch between forms depending on what feels clearer in a given situation.