37/66 as a percentage is 56.06%. This fraction is a little more than one‑half, so the percentage lands just over the 50 % mark. When you see 56.06 %, you know it comes from that same 37 out of 66 parts.
The fraction 37/66 can be thought of as 37 pieces out of a total of 66 equal pieces. If you picture a pizza cut into 66 slices, taking 37 of those slices would give you a little more than half of the pizza. That “little more” shows up as the extra 6.06 % over the exact half.
In everyday use, writing 56.06% is easier than the fraction, especially in reports or charts. It tells the same story—just a different way to see the size of the part compared to the whole.