26/44 as a percentage is 59.09%. This is the rounded figure you get when you turn the fraction into a percent with two decimal places.
The fraction 26/44 can also be simplified to 13/22, but the percentage stays the same. Knowing the percent helps when you compare it to other numbers, like scores or discounts.
In everyday use, you might see 59.09% on a chart or a report. It tells you that a little more than half of the whole is represented by 26 out of 44 parts.