18/71 as a percentage is 25.35%. This is the rounded value you get when you change the fraction to a percent with two decimal places.
The fraction 18/71 is a proper fraction, meaning the numerator is smaller than the denominator. It represents a little more than one quarter of a whole, which is why its percentage is close to 25 %. You might see it in situations where things are divided into 71 equal parts, like a class project or a piece of equipment split into many sections.
When you need a quick estimate, you can think of 18/71 as roughly one‑fourth, or about 0.25 in decimal form. That makes it easy to compare with other numbers or to use in basic calculations without worrying about the exact fraction.