Start: 146, End: 85
Decrease = 61
Percentage decrease = Difference / Start x 100% = 61/146 x 100% = 41.8% decrease
85 - 40 = 45 ... this is the size of the increase in numbers. 45/40 = 1.1250 OR 112.50% increase over the base of 40.
80-85%
It is 86.
Fran's rank score is for 1 test. Kelly's rank is the CLASS rank. That means that Kelly is # 60 in a class of 500. Or, if you simplify, she is #12 in a class of 100. Fran's percentile rank on the exam was 85%, or 85 out of 100. Therefore, there are 15 percentile points that other people got higher than Fran's score. But there are only 11 people ahead of Kelly. Therefore, Kelly is ranked higher.
35 would be the outlier in the values 98 85 34 79 85 92. All the other values are fall in a range of 20 points whereas 35 is 40+ points away from this range.
This is a 41.7808% decrease.
In fact, $85 to $68 is a percentage decrease. The decrease is equal to 100 - ((68/85) x 100) = 20 percent.
1.7176
46 + 15 + 85 = 146
60%
85%
85
85%
85/100 is 85%
85%
85
68% of all people.