Calculating Discount Percentage of a given discounted price

math, php

Solution

Use this formula for calculating the discount percentage :

Discount%=(Original Price - Sale price)/Original price*100

Translating it into code, it should be something like :

$percent = (($rowx->Orgprice - $rowx->SalePrice)*100) /$rowx->Orgprice ;

Problem

I am trying to find out the discount amount of a price. The cost of item WAS £50.00 Sale Price £25.00 Discount = %50 However when use this formula below in PHP it doesnt give me the correct Discount percentage. ``` $percent = $rowx->Orgprice - $rowx->SalePrice / 100; $percent = 50 - 25 / 100 = 49.75; $percent = 50 - 20 / 100 = 49.8; ``` All above percentages are wrong.

Original source