Hotkey for stop quantity adjustment after partialing

[evan 17]

Does anybody have a hotkey script for adjusting your stop to reflect your new position size after taking a partial, WITHOUT adjusting the stop price?  I have the hotkey that does this and moves the stop to B/E, but what if I want to keep the stop where it is?

Example:

I go long 100 shares of a stock at $100, with a stop at $99.  Price moves up to $101 and I take a 25% partial.  I have 75 shares remaining, but my stop is still for 100 shares.  I am looking for a hotkey that will adjust the quantity to 75, while leaving the stop at 99.