One of two ways...   Type that into a calculator (17/25) and multiply by 100... It will give you the percent...   OR... A percentage is nothing more that a fraction of a hundred. Therefore, you can get it to be a number over 100 and obtain the percent. To do so, multiply both numbers … Read more

The same way humans do... Good diet and plenty of rest. There are special foods for increasing energy, too.

Hoover Vacuum cleaners and Guinness Beer... It was driving me CRAZY all last night and I just found the answer. =] Glad I could help! -Ash