The decimal form 1.46 becomes 0.146 expressed as a percent?

Percentages are usually used to compare one number to another, so when you only have one number it gets a bit strange.

Percentages as such mean hundredths.

Whatever you start from is 100/100, or 100%.Half of whatever is 50%, double of whatever is 200% 1.46% would be 0.0146 in decimal.

If you got 1.46 in decimal by dividing a bigger number with a smaller number, then 1.46 decimal would be 146%.

If you don't have anything to compare with, then 1.46 is only 100% as Whatever you start from is 100/100, or 100%.