Year

Year 2019 is 64.31% complete.
64.31178224700926%

Month

Month 2019-8 is 73.34% complete.
73.34840724996607%

Day

Day 2019-8-23 is 73.8% complete.
73.80062998300775%

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

For example