What is 420% of 400?

We need to find 420% of 400.

The word "percent" means "per hundred" or "out of 100".

So 420% means 420 out of every 100.

To calculate with percentages, we first convert to a decimal.

Divide the percentage by 100:

This means 420% = 4.2

Now multiply the decimal by the number:

4.2 × 400 = 1680

So 420% of 400 = 1680

You can also think of it as a fraction:

420% of 400 = (420/100) × 400

= (420 × 400) / 100

= 168000 / 100

= 1680