docs: update first time contributor numbers

website/blog/2022-04-25-jest-28.md

@@ -148,6 +148,6 @@ This will of course be possible to override if you don't want to change, but you
 
 ## Acknowledgements
 
-Jest 28 contains contributions from more than 60 people, of which about half are first time contributors. Thank you so much to all contributors, old and new. Without you the project wouldn't be nearly as good as it is! I'd particularly like to thank [Tom Mrazauskas](https://github.com/mrazauskas) and [Feng Yu](https://github.com/F3n67u) for all their contributions, from code, to issue triaging to debugging, that made Jest 28 what it is. Thank you! 🙏
+Jest 28 contains contributions from more than 60 people, of which more than two thirds are first time contributors. Thank you so much to all contributors, old and new. Without you the project wouldn't be nearly as good as it is! I'd particularly like to thank [Tom Mrazauskas](https://github.com/mrazauskas) and [Feng Yu](https://github.com/F3n67u) for all their contributions, from code, to issue triaging to debugging, that made Jest 28 what it is. Thank you! 🙏
 
 Thanks for reading, and happy Jesting! 🃏