# rounded(rule:increment:) Modifies the format style to use the specified rounding rule and increment. ``` func rounded(rule: IntegerFormatStyle.Percent.Configuration.RoundingRule = .toNearestOrEven, increment: Int? = nil) -> IntegerFormatStyle.Percent ``` ## Parameters `rule` The rounding rule to apply to the format style. `increment` A multiple by which the formatter rounds the fractional part. The formatter produces a value that is an even multiple of this increment. If this parameter is `nil` (the default), the formatter doesn’t apply an increment. ## Return Value An integer percent format style modified to use the specified rounding rule and increment. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)