Very well ...There were trilobites 300 million years ago, and there are no trilobites today. There are rabbits today, but there were no rabbits 300 million years ago.
Those two observations, all by themselves, without reference to any additional observations, are more than sufficient to establish the factual nature of evolution.
[reformatted for emphasis]
Given:
Proceed ...- There were trilobites 300 million years ago, and there are no trilobites today.
- There are rabbits today, but there were no rabbits 300 million years ago.
- Evolution is a fact.