Year

Year 2019 is 64.31% complete.
64.31644054620267%

Month

Month 2019-8 is 73.4% complete.
73.40325498501407%

Day

Day 2019-8-23 is 75.5% complete.
75.50092881406823%

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

For example