HP HP-20S - Percent Change

Example: Percent Calculations. Find 27% of 85.3.
Keys: Display: Description:
85.3 (x] 27 [(\] 0.2700 Divides 27 by 100.
(=] 23.0310 Calculates 27% of
85.3.
Find the number that is 25% less than 200.
200 (-] 25 (7] 50.0000 Calculates 25% of 200.
(=] 150.0000 Completes the
calculation.
Percent Change
To calculate the percent change between two numbers, n; and n,, ex-
pressed as a percentage of n;, enter:
ny [INPUT] 1, (] [%CHG]
Example: Percent Change Calculations. Calculate the percent
change between 291.7 and 316.8.
Keys: Display: Description:
291.7 291.7000 Enters n;.
316.8 (] 8.6047 Calculates percent
change.
Calculate the percent change between (12 X 5) and (65 + 18).
12 5 60.0000 Calculates and enters
ny.
65 18 (] 38.3333 Percent change be-
tween 60 and
(65 + 18).
3: Numeric Functions 33