diff --git a/src/mpl_extra/AutofitText.py b/src/mpl_extra/AutofitText.py
index fa09fd6..935627b 100644
--- a/src/mpl_extra/AutofitText.py
+++ b/src/mpl_extra/AutofitText.py
@@ -306,7 +306,7 @@ def _split_words(self, txt):
         """Split a hybrid sentence with some CJK characters into a list of words,
         keeping the English words not to be broken.
         """
-        regex = r"[\u4e00-\ufaff]|[0-9]+|[a-zA-Z]+\'*[a-z]*"
+        regex = r"[\u4e00-\ufaff]|[0-9]+(?:\.[0-9]+)?%?|[a-zA-Z]+\'*[a-z]*"
         matches = re.findall(regex, txt, re.UNICODE)
         return matches