90/100 = 90%
A value of 90/100, or 90%, shows up in everyday life when something is almost complete. For example, a student might score 90% on a test, a phone battery might be at 90%, or a weather report might say there is a 90% chance of rain.
You can picture 90% as 9 out of 10 equal parts filled or shaded. It is very close to the whole, with only a small 10% portion left over.
A common mistake is thinking 90% means perfect or complete. It means nine-tenths of the total, so there is still a small amount missing.
