Year

Year 2019 is 64.31% complete.
64.3120564049042%

Month

Month 2019-8 is 73.35% complete.
73.3516352391867%

Day

Day 2019-8-23 is 73.9% complete.
73.90069876968985%

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

For example