Rewrite the percentage in the sentence below as a decimal.
The value had decreased to 80% of the purchase price.
The value had decreased to 0.8 of the purchase price.
To rewrite the percentage as a decimal, we divide 80% by 100.
80 ÷ 100 = 0.8
So, the value had decreased to 0.8 (as a decimal) of the purchase price.