Remember when you type a number followed by the percent sign in Excel the number is interpreted as a hundredth of its value. Select the rest of the column and paste. So 71304000 is 178.
To calculate what percentage one number is of another you start with the first number and then divide this by the number that you need to calculate the percentage of.
Please enter the first number in the First Number box and the higher number in the Higher Number box then press Percent Higher. Your proportion will like this. To calculate what percentage one number is of another you start with the first number and then divide this by the number that you need to calculate the percentage of. Select the rest of the column and paste.