Answer:
66.7%
Step-by-step explanation:
From 3/5 to 5/8 it's the same percent change as from 3 to 5.
percent change = (new number - old number)/(old number) * 100%
percent change = (5 - 3)/3 * 100%
percent change = 2/3 * 100%
percent change = 66.666...%
Answer: 66.7%
