Year

Year 2019 is 64.31% complete.
64.31319479354357%

Month

Month 2019-8 is 73.36% complete.
73.36503885193929%

Day

Day 2019-8-23 is 74.31% complete.
74.3162154191059%

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

For example