"Technically" yes you will need to reduce the load 15%. Although I was shooting a Renegade with 90 grains of 2f and when I tried 3f in it, it shot best with 90 grains... so all you can do is rework the load with the 3f powder.

Reduce what it normally shoots with 2f .. 15% and see what happens. You might still climb that powder measure a little. With the faster powder you will get a little more velocity and faster burning time. But you might not notice the difference and it is slight.