6/14 as a percentage is 42.86%. This is the decimal form of the fraction turned into a percent and rounded to two decimal places. The fraction itself can be simplified to 3/7, but the percentage stays the same.
When you see a fraction like 6/14, thinking of it as a part of a whole helps you understand the size. About 43 out of every 100 pieces would be the same amount, which is close to half but a little less. That quick mental picture is useful for everyday comparisons.
In practical terms, if you had 14 items and you took 6 of them, you would have taken roughly 42.86% of the total. This kind of conversion is common in school work, budgeting, and when interpreting data in charts or reports.