Year

Year 2019 is 64.31% complete.
64.31096793480032%

Month

Month 2019-8 is 73.33% complete.
73.33881937713352%

Day

Day 2019-8-23 is 73.5% complete.
73.50340259603747%

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

For example