The phrase "percent hike" means an increase or rise in something, usually measured in percentage. It indicates the amount by which something has gone up compared to its previous value or level. Full definition
The increase, which represents a 71 percent hike from the current minimum wage in the state, will be phased in over the course of the next six years. (inc.com)
The demand of the fur product is on the rise and the global sale has recorded a 70 percent hike in the figure since the last decade. (thefashionablehousewife.com)