Generate random addresses, name, phone numbers, names, usernames and more basic background information of the world, and generate empolyment & finance infomation, interests, online profile of US,CA,UK,AU.

The percentage change calculator determines the value difference and the percent change from the original value to the new value.

Randomly generated Japanese names and addresses from real public sources, fake identities for database testing.

Color Picker:Color Picker: With this online tool you can upload an image or provide a website URL and get the RGB Color, HEX Color and HSL Color code.

Calculating percentage change and expressing an increase or decrease. ( ΔV / |V1| ) * 100 = ((V2 - V1) / |V1|) * 100 = percentage change. Positive percentage change is an increase and negative is a decrease. How to calculate percentage change and percentage formula.