The price of a notebook was $3.50 yesterday Today, the price rose to $3.75. How do you find the percentage increase?
7.1% subtract the final price by the original price to find the increase and then divide the increase by the original price.
Find the increase
Then divide the increase by the original amount
To change to a percent multiply by 100 and round off to significant numbers
# .0714285 = 7. 14285% or 7.1% or just 7%