how to divide this 2 column and *100 formula

Question

 how to divide this 2 column and *100 formula?

 

col 1                                       

1038:07:00

361:38:00

5186:30:00

4712:35:00

2044:55:00

51:00:00

233:47:00

 

col 2 

 

332:26:00

3938:21:00

4239:13:00

1846:39:00

51:00:00

215:36:00

8:30:00