Year

Year 2019 is 79.5% complete.
79.50571218017247%

Month

Month 2019-10 is 55.47% complete.
55.470473147655206%

Day

Day 2019-10-18 is 19.58% complete.
19.584252227532243%

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

For example