15.10 is what percent of 20.95?
"is" means =
"what" means x
"percent" means /100
"of" means *
15.10 = x/100 * 20.95
15.10 = x * 0.2095
x = 15.10 / 0.2095
x = about 72.08
So 15.10 is about 72.08% of 20.95
The percent of change is how much of a drop from 100% to 72.08%
100% - 72.08% = 27.92%
Answer: Going from 20.95 to 15.10 is about a 27.92% drop.