Helen the hippo and her friends are preparing for thanksgiving at Helen's house. Helen baked 39 chocolate chip cookies and 49 raisin cookies yesterday. And she baked 43 raisin cookies and 27 chocolate chip cookies this morning. How many more chocolate chip cookies did Helen bake yesterday compared to today?
39 chocolate chip cookies and 49 raisin cookies were baked yesterday. 
43 raisin cookies and 27 chocolate chip cookies were baked this morning. 

This means that a total of 86 raisin cookies and 66 chocolate chip cookies were baked in total. 

Therefore, Helen baked 23 more chocolate chip cookies yesterday compared to today.