14/34 as a percentage is 41.18%. This is the rounded value you get when you change the fraction to a percent form. It’s a handy way to see the size of the fraction at a glance.
The fraction 14/34 can be reduced to 7/17, but the decimal and percent forms stay the same. Thinking in percentages helps when you compare it to other numbers, like 50% or 25%.
In everyday use, you might see 41.18% on a chart or a report. It tells you that the part (14) makes up a little over forty‑one percent of the whole (34).