29.79% is what you get when you turn the fraction 28/94 into a percentage.
This fraction can be reduced a little, but the percentage stays the same. It shows that out of every 100 parts, about 30 of them are covered by the original fraction.
When you see 29.79% on a report or a chart, you know it is just another way of writing 28 divided by 94. It’s a quick way to compare numbers without doing the division each time.