Answer:

Step-by-step explanation:
Recall the formula:

We apply this formula to simplify 
This implies that:



This simplifies to


Please excuse my dear aunt Sally. Parenthesis, exponents, multiplication, division, addition, subtraction.
Dont think you finished the problem?
Answer:0.07% because 710-654 is 56 and 56 divided by 710 is 0.07