I would like to copy and paste data that currently has blanks between it. I would like to copy the data above the blank cell for multiple cells. Can anyone help me with that?

Example: (everything in column B is related to the data label in column A.

A1 - test 1 B1 - 100%
A2 - blank B2 - 50%
A3 - test 2 B3 - 101%
A4 - blank B4 - 95%
A5 - blank B5 - 89%