Year

Year 2019 is 79.49% complete.
79.49914889373281%

Month

Month 2019-10 is 55.39% complete.
55.39319571639959%

Day

Day 2019-10-18 is 17.18% complete.
17.188625025856%

This site Dividing the year, month, day into 100 pieces and show the progress bar for you.

For example