An analyst from Jefferies estimates that 10 to 15 percent of Toys R Us' total business will be lost if it liquidates.
Toy companies such as Hasbro and Mattel have already begun preparing contingency plans in the event that Toys R Us initiated a full liquidation.
https://www.cnbc.com/2018/03/09/10-percent-15-percent-of-all-toy-sales-could-be-lost-forever-if-toys-r-us-liquidates.html