umx (version 4.3.0)

fin_percent: Compute the percent change needed to return to the original value after percent off (or on).

Description

Determine the percent change needed to "undo" an initial percent change.

Usage

fin_percent(percent, value = 100, symbol = "$", digits = 2)

Arguments

percent

Change in percent (e.g. for 10%, enter 10, not 0.1)

value

Principal

symbol

units (default = $)

digits

(rounding)

Value

• new value and change required to return to baseline.

Details

None. If an amount of $100 has 20% added, what percent do we need to drop it by to return to the original value?

See Also

• fin_compound_interest()

Other Miscellaneous Functions: deg2rad(), fin_compound_interest(), rad2deg()

Examples

# NOT RUN {
#
# Percent needed to return to original value after 10% off
fin_percent(-10)
# Percent needed to return to original value after 10% on
fin_percent(10)

# Percent needed to return to original value after 50% off 34.50
fin_percent(-50, value = 34.5)
# }