Bigger in what sense, mass or radius? The mean radius ratio is 300000000 km/1150 km, or about 260,000 times bigger.The mass ratio is 3.1 x 1031 kg/1.3 x 1022 kg, or about 2,400,000,000 times bigger.
About 7 times bigger
Our sun is about 330 000 times bigger then the Earth (volume) The diameter of the Sun is about 110 times the diameter of the Earth.
Generally a red supergiant will be at least 800 -> 1,500 times larger than our Sun. And will have a mass about 10 times that of the Sun
400 times bigger
WWE All Stars Bigman Class Trailer
Ratchet
How to Make Your Home Look Bigger Using Color
Rob Larson on the the New York Times' New Reader