Update Change Log

Author: MarkBaker

CHANGELOG.md

@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ### Fixed
 
+- Treat strings containing percentage values as floats in Calculation Engine operations [Issue #3155](https://github.com/PHPOffice/PhpSpreadsheet/issues/3155) [PR #3156](https://github.com/PHPOffice/PhpSpreadsheet/pull/3156) and [PR #3164](https://github.com/PHPOffice/PhpSpreadsheet/pull/3164)
 - Xlsx Reader Accept Palette of Fewer than 64 Colors [Issue #3093](https://github.com/PHPOffice/PhpSpreadsheet/issues/3093) [PR #3096](https://github.com/PHPOffice/PhpSpreadsheet/pull/3096)
 - Use Locale-Independent Float Conversion for Xlsx Writer Custom Property [Issue #3095](https://github.com/PHPOffice/PhpSpreadsheet/issues/3095) [PR #3099](https://github.com/PHPOffice/PhpSpreadsheet/pull/3099)
 - Allow setting AutoFilter range on a single cell or row [Issue #3102](https://github.com/PHPOffice/PhpSpreadsheet/issues/3102) [PR #3111](https://github.com/PHPOffice/PhpSpreadsheet/pull/3111)