Convert the percentage to a decimal by dividing by 100
Multiply the original amount by the decimal
Subtract that result from the original amount
Use the formula: original amount × (1 – percentage/100)
Example: 100 – 20% = 100 × 0.80 = 80
Convert the percentage to a decimal by dividing by 100
Multiply the original amount by the decimal
Subtract that result from the original amount
Use the formula: original amount × (1 – percentage/100)
Example: 100 – 20% = 100 × 0.80 = 80