170/263 = ≈64.64%
Rounded to 2 decimal places.
A fraction like 170/263 could show up when 170 people out of 263 surveyed choose the same favorite activity. In percentage form, that is about 64.64%, so it might describe a little less than two-thirds of a group.
To picture 170/263 quickly, imagine a group divided into three nearly equal parts. The value is just under two of those three parts, or slightly below 66.7%, which makes it easy to estimate as about 65%.
One common mistake is treating 170/263 as exactly two-thirds when it is actually a little smaller. It is also important not to reverse the numbers, since 263/170 would represent a value greater than one and a very different situation.