将给定文本中所有单词的出现次数计数，并返回每个单词的计数和占比。
包含文本的字符串，例如："The quick brown fox jumps over the lazy dog."
The quick brown fox jumps over the lazy dog.

每个单词的计数和占比:

- The: 1 (14.3%)
- quick: 1 (14.3%)
- brown: 1 (14.3%)
- fox: 1 (14.3%)
- jumps: 1 (14.3%)
- over: 1 (14.3%)
- the: 1 (14.3%)
- lazy: 1 (14.3%)
- dog: 1 (14.3%)