What is 0.78% of 102400?

We need to find 0.78% of 102400.

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

So 0.78% means 0.78 out of every 100.

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

Divide the percentage by 100:

0.78 ÷ 100 = 0.0078

This means 0.78% = 0.0078

Now multiply the decimal by the number:

0.0078 × 102400 = 798.72

So 0.78% of 102400 = 798.72

You can also think of it as a fraction:

0.78% of 102400 = (0.78/100) × 102400

= (0.78 × 102400) / 100

= 79872 / 100

= 798.72