1 percent of 643 can be written as 20 percent * 643 =
Use the percentage formulae (P% × Y = X) to find out 1% of 643
P is 1, Y is 643, so the equation will be 1% × 643 = X
Percentage calculation with steps:
X = ( 1 * 643 ) / 100
X = 643 / 100
X = 6.43