4 percent of 390 can be written as 20 percent * 390 =
Use the percentage formulae (P% × Y = X) to find out 4% of 390
P is 4, Y is 390, so the equation will be 4% × 390 = X
Percentage calculation with steps:
X = ( 4 * 390 ) / 100
X = 1560 / 100
X = 15.6