economics help!!!

5.1998 Price Quantity cauliflower $200 100 broccoli $ 75 50 carrots $ 50 500 Total $325 Weight of each good weight for cauliflower 200/325= 0.61532 weight for broccoli 75/325= 0.2307692 weight for carrots 50/325=0.1538461 Prices in the base year cauliflower 200/100=$2 broccoli 75/50=$1.5 carrots 50/500=$0.1 1999 Price Quantity cauliflower $225 75 broccoli $120 80 carrots $100 500 Total $445 Weight of each good weight for cauliflower 225/445=0.5056179 weight for broccoli 120/445=0.2696629 weight for carrots 100/445=0.2247191 Prices in the base year Cauliflower 225/75=$3 broccoli 120/80=$1.5 carrots 100/500=$0.2 Percentage change in price Cauliflower $2 to $3 50% increase Broccoli $1.5 to $1.5 0% change Carrots $0.1 to $0.2 0.5% increase ARE THESE PERCENTAGE CHANGE IN PRICE CORRECT??? They look good to me except for the last one...is it 0.1 to 0.2 equal to 0.5% increase or 100% increase...hmmm