set size to ()%

The set size to ()% block is a stack block in the Looks category that sets the size attribute of the sprite that the block is in to the inputted value as a percentage. It originates from Scratch. The default value of this block is 100.

Workaround

This block can be worked around by using the change size by () block and the size reporter block:

change size by ((wanted size::grey) - (size))