1 percent of 660 can be written as 20 percent * 660 =
Use the percentage formulae (P% × Y = X) to find out 1% of 660
P is 1, Y is 660, so the equation will be 1% × 660 = X
Percentage calculation with steps:
X = ( 1 * 660 ) / 100
X = 660 / 100
X = 6.6