27/59 as a percentage is 45.76%. This number tells you how much of a whole 27 is when the whole is split into 59 equal parts.
The fraction 27/59 can be thought of as 27 pieces out of a total of 59 pieces. When you look at it as a percent, it shows that those 27 pieces make up just under half of the whole set.
Knowing the percentage helps when you compare it to other values, like a grade or a discount. It’s a quick way to see that 27 out of 59 is a little less than 50 % of the total.