Ielts Writing task 1 - Please give me some advice on my writing

The diagram depicts the structure of a university’s sports center at the present, and its transformation after reconstruction.

Looking from an overall perspective, there are significant changes which provide more amenties with sport facilities toward the West and the East of the Sport Centre. At the main entrance, there will be add more changing room, and entertainment spots like shopping and café.

At the present, there are two outdoor courts on either side of the university sport building. The plan is to convert the westen outdoor courts into leisure pool larger in size than the current 25m pool at the center. To the east outdoor courts are going to replace with sport hall next to seating area, erect two adjacent dance studios at the northeast. The facilites in the main building will not undergo alterations including changing room, reception, pool, and seating. The only slight difference is that the northenmost gym above swimming pool will be double in size eastewards.

Right on the entrance, two changing rooms will be constructed on the end of two side of the south of building and the adjoining sports shop to the west. Across from sports shop, there will be a café for relaxing.