66 increased by 88 percent = 124.1
66, as a percentage of 88 = 100*66/88 = 75%
66% improvement. (88-53)/53= .66
66% = 0.66 0.66 x 88 = 58.08
The percent increase from 45 to 66 is: 46.667%
66
By dividing 66 by 0.75 you discover that the number that 66 is 75 percent of is 66/0.75 = 88.
40 to 66 = 65 % increase.
66 is 75% of 66/(75%) = 66/(75/100) = 66*(100/75) = 88
12.5% increase.
It is a 46.67% increase
46.6667% increase.