21/98 = ≈21.43%
Rounded to 2 decimal places.
A value like 21.43% can show up in everyday life when a little more than one-fifth of a group chooses the same option in a poll. It could also describe the share of a monthly budget spent on a particular bill.
To picture it quickly, think of about 21 out of every 100 people, or just over one-fifth of a whole. That makes it easier to compare with familiar amounts, like 25%, which is one-quarter.
One common point of confusion is treating 21.43% as exactly one-fifth. One-fifth is 20%, so 21.43% is a bit higher, even though the two amounts are close.