350*80/100 = 280350/10*8 = 280
80% of 350 = 80% * 350 = 0.8 * 350 = 280
Let's say that 350 is 100%10% = 3520% = 70Answer = 350 - 70 = 280 = 80%
350
80% decrease from 350 to 70 400% increase from 70 to 350
350 percent can be written as 350% or 3.50
If the price is 20% off, then it is 80% of the full price. So multiply 350 *0.8 = 280.
4.375
350% = 3.50
5% of 350 is 17.5--5% = 0.050.05 * 350 = 17.5