Yes. Growth rate is (Current year revenue/Last year revenue-1). This % will be affected if your revenue fluctuates. Revenue growth rate is typically used by analysts to determine market demand for the company's products.
Yes it wil affect the growth rate due to the market demand of your goods.In this case if your goods are less demanded in the market,your revenue growth rate wil fall while increase in demand of your goods will lead to increase in growth rate.