Question

What is the percent of change from 8.0 to 8.2?

Answer 1

2.5 % increase 

this is correct i belive

Answer 2

If you subtract the equation 8.0-8.2=-0.2. If you were to do the opposite then you would answer the equation 8.2-8.0=0.2. So therefore you have two options, -0.2 or 0.2. Good luck!