Will choose brainliest!

Answer:
Start: Percentage with Pelvic Spine = 94.4%, Percentage without = 5.6%
End: Percentage with Pelvic Spine = 61%, Percentage without = 39%
Step-by-step explanation:
Since we are doing percentages we start by seeing what our total population is. For the Start, it would be 590+35 which is 625. To find percentages, we first divide the number of fish by the population, then multiply by 100. For example, (590/625) x 100 = 94.4. and (35/625) x 100 = 5.6.
We do the same for the End population. Find total population, 488+312 = 800. Find percent by fish/population x 100. (488/800) x 100 = 61 and (312/800) x 100 = 39.
Hope that helps!