66.2 is what percent of 1000 ?
"we assume that 1000 is 100 % assume ' x ' is value we looking for here , 1000 = 100 % and x % = 66.2 therefore , 100 / x = 1000 / 66.2 100 / x = 15.105 x = 6.62 a"
multiply(divide(66.2, 1000), const_100)