Posted in php
2
12:13 am, March 22, 2019

calculate a percentage (dec) difference based on two numbers

this function will show you the percentage difference between two numbers

PHP

// calc_percentage_dec.php

$template_result = "";

// function - calc_percentage_dec($total, $diff)
function calc_percentage_dec($total, $diff) {
  $dec = $total - $diff;
  return $dec_percent = ( $dec / $total ) * 100;
}   

// Usage examples, as shown in demo.:

// total
$total = 2406;
$diff = 356;

// % difference
$perc_diff = calc_percentage_dec($total, $diff);
$perc_diff_rounded = number_format($perc_diff, 2);

$template_result .= "<p>The percentage difference between <b>$total</b> and <b>$diff</b> is <b>$perc_diff%</b></p>";
$template_result .= "<p>You can round this number down using number_format($perc_diff, 2) which should give you <b>$perc_diff_rounded</b></p>";

// and another more simple one to test the numbers are calculating correctly

// total
$total = 100;
$diff = 50;
$perc_diff = calc_percentage_dec($total, $diff);

$template_result .= "<p>The percentage difference between $total and $diff is: $perc_diff%</p>";

The percentage difference between 2406 and 356 is 85.20365752286%

You can round this number down using number_format(85.20365752286, 2) which should give you 85.20

The percentage difference between 100 and 50 is: 50%

View Statistics
This Week
31
This Month
162
This Year
0

No Items Found.

Add Comment
Type in a Nick Name here
 
Other Items in php
fixing error Call to undefined function simplexml_load_string get the content of a url get the content of a link with php and test if the result is empty php check if url is valid with filter_var php save csv from array to file php export csv from string to browser download convert json string to a php array how to json encode an array in php how to decode xml in php php get file and save it php function to remove the query string from a url using php parse_url function to remove the query string from a url add every value in the load_array array into the out for testing Fix for PHP Warning Trying to get property '*name*' of non-object write the contents of a url into a file with php sqlite fetchArray into another array php return json header and content list_all_array an early stages of list all function that uses an array to pass in main variables replace singular variable assignment with an array loop and variable variables using the $_SERVER['HTTP_REFERER'] to check referring pages timeline class and function php html template class system views list function for checking what views have been made on the current week load array load all items from an array while in a sqlite load sql loop create a 200 character summary from a longer html string using strlen to check the length of a string and do something about it How to record your own page views with PHP, and make them into weekly monthly and yearly charts load from fields array php class function get the current week as a number with php creating embedded php code from a database field test php bundle write check if a file exists with php check if the file is a directory or check if the directory exists in php get the current working directory in php create directory with php create folder with php check if a product already exists by its md5 load random videos module using template PHP/SQLite - Load Random Item split a string into links using the comma extract youtube image from video url simple php ip blocker preg replace clean a string only allow a-zA-Z0-9 characters get last month as a number with php verify the google recapture server php rtrim strip white space or strings from the end of a string get the current month as a number show the difference between two dates in years, months, days, hours and seconds counting the occurrence of words in a multidimensional array write string contents to a file with php unable to access the $_FILES when submitting a form php check column exists in table sqlite
Search Code
Search Code by entering your search text above.
Welcome

This is my test area for webdev. I keep a collection of code snippits here, mostly for my reference. Also if i find a good site, i usually add it here.

Join me on Substack if you want me to send you a collection of the things i have done or found or read for the week. Or follow me on twitter if you prefer, i dont post much but i probably should!

❤👩‍💻🕹

Random Quote
For a long time it had seemed to me that life was about to begin - real life. But there was always some obstacle in the way, something to be gotten through first, some unfinished business, time still to be served, or a debt to be paid. Then life would begin. At last it dawned on me that these obstacles were my life.
Alfred D. Souza