Percentages are ratios of an amount compared to 100. The percent change of an old to new value is equal to 100% x \({ new - old \over old }\).
Roger loaned Christine $900 at an annual interest rate of 1%. If no payments are made, what is the total amount owed at the end of the first year?
| $936 | |
| $909 | |
| $927 | |
| $945 |