What percentage is checked?

What percentage is checked? what is the percentage of service level mentioned About what percentage of the Internet is in English now? what percentage还是what percent? 30 is increased to 42.What is the percentage increase?(Show 英语题What's the percentage uncertainty? how much the percentage of…?还是what the percentage of…? What percentage of school learerys go to the collage. What's the percentage of people who have trouble sleeping? What's the percentage of black population in the world? In britain and japan inflation is running half a percentage because economic growth is the percentage change in real GDP