Help needed I’m not good at geometry

Find percent notation for 0.008 0.008=

I’m stuck on this equation, anyone got the answer?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points