OBD1 LT1Edit help/can't make changes

I am trying to adjust my PE-vs-RPM table but it will not apply the changes (I know I am probably doing something stupid). I select the RPM I want to change and type in the box labeled "% of change" and then hit "apply changes" and it doesn't change the value. I did a fresh flash of the program to make sure I had a editable file but still the same thing. The program is a base tune from PCMforless. As far as I know, Bryan does not lock his stuff. I have made other changes in the file (like injector size) and had no problems. What am I doing wrong.

Well after messing with it for awhile, I figured out I can make changes in certain increments (usually .3). Like if the current value is 3.1, it will only let me change it to 3.4 or 2.8. Any ideas?