which one is better for loosing my belly, bicycle or running?

[roaf girl]

well , I used to be 118.8 pounds 50 days back but I got a diet and worked out now I'm about 96.8 pounds but still got a bit belly. do you guys think which work out is better for loosing my belly. riding my bicycle or go for running? I do workout at home like sit ups , push ups but need to know about outdoor ones