Selina and three of her classmates each wrote out the steps for finding an approximate percent change. They all agreed on the first and fourth step: 1. Find the positive difference between the original number and the new number.
2.
3.
4. Round the answer if necessary.

They did not agree on steps 2 and 3. Which instructions are correct for steps 2 and 3?
2. Divide the difference by the original number.
3. Multiply the quotient by 100 to change it from a decimal to a percent.
2. Divide the difference by the new number.
3. Multiply the quotient by 100 to change it from a decimal to a percent.
2. Divide the difference by the original number.
3. Multiply the quotient by 10 to change it from a decimal to a percent.
2. Divide the difference by the new number.
3. Multiply the quotient by 10 to change it from a decimal to a percent.