Year

Year 2019 is 64.31% complete.
64.3188989961469%

Month

Month 2019-8 is 73.43% complete.
73.43220126037596%

Day

Day 2019-8-23 is 76.39% complete.
76.39827340119338%

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

For example