Chester has $450 in a savings account. The bank pays him 8% interest per year on the account. How much interest will Chester earn on his money in a year? Step 1 Step 2 8% = 0.08 To find a percent of a number, follow these steps: 1. Write the percent as a decimal. (Or, write it as a fraction if it is easier to work with. For example, 1 25% can be written as 0.25 or .) 2. Multiply. Find the percent of each number below. $450 X 0.08 $36.00 Chester earned $36.00 interest. 1. 76% of 175 2. 25% of 240 3. 66% of $60 4. 9% of 350 5. 81 % of 200 6. 50% of 438