I need my formula to increase by "1" for every "25". I wrote the following formula, but it does not work:

=SUM(IF(O11<25,0,IF(O11<50>21,1,IF(O11<75>51,2,IF(O11<100>76,3,IF(O11<125>101,4))))))

- Serverfault Help
- Superuser Help
- Ubuntu Help
- Webapps Help
- Webmasters Help
- Programmers Help
- Dba Help
- Drupal Help
- Wordpress Help
- Magento Help
- Joomla Help
- Android Help
- Apple Help
- Game Help
- Gaming Help
- Blender Help
- Ux Help
- Cooking Help
- Photo Help
- Stats Help
- Math Help
- Diy Help
- Gis Help
- Tex Help
- Meta Help
- Electronics Help
- Stackoverflow Help
- Bitcoin Help
- Ethereum Help