34/78 as a percentage is 43.59%. This fraction is a little less than one half, and the percentage shows it in a way that's easy to compare with other numbers.
The fraction 34/78 can be simplified to 17/39, but the value stays the same. Whether you write it as a fraction or a percentage, it still represents the same part of a whole.
When you see 43.59% on a chart or in a report, you know it comes from the same ratio as 34 out of 78. It’s a quick way to understand the size of that part.
In everyday use, percentages like 43.59% help people make decisions, such as budgeting or measuring progress. The fraction and its percent form are just two ways to talk about the same quantity.