Camille wants to know the difference and the percentage of difference between the final costs and the budgeted amounts.

Provide this information for Camille as follows:

a$.$ Insert a calculated field named Difference that subtracts the Budget field amount from the Final Cost field amount.

b$.$ Insert another calculated field named $\%$ Difference that subtracts the Budget field amounts from the Final Cost field amounts, and then divides the result by the Budget field amount.

c$.$ Change the number format of the Sum of $\%$ Difference amounts to Percentage with $2$ decimal points.