Whenever you see the phrase of something in a percentage problem its a hint that you need to multiply. So well need to multiply 7877 by 15 to find the discount. As you probably remember from high school math class a percentage is a fraction of 100 that is calculated by dividing the numerator by the denominator and multiplying the result by 100.
Find Percentage of a Number.
Divide the percentage that represents the new sale price in this case 70 percent by 100 to convert it to a decimal. To find the value of this enter 5 in the first box and 20 in the second box and the answer 1 will be shown in the percent off calculator result box. Take an example if you had 10 strawberries and you ate 2 then you have consumed 20 percent of strawberries out of all and left with 80 percent of the things. So 75 100 x Discount in Percent 100.