1 percent of 642 can be written as 20 percent * 642 =
Use the percentage formulae (P% × Y = X) to find out 1% of 642
P is 1, Y is 642, so the equation will be 1% × 642 = X
Percentage calculation with steps:
X = ( 1 * 642 ) / 100
X = 642 / 100
X = 6.42