Why dose my activity monitor say I'm using more in tasks then in total?

Why dose my activity monitor say I'm using more in tasks then in total?
see how Guild Wars 2 uses 92.8% yet the total use is 12.03%, 86.54% is idle and the system is using 1.4% why is this?

Cortess,
they’re two orthogonal percentage measurements. For the “% CPU” column in Activity Monitor, the total percent available depends upon your hardware: a single-core CPU has 100% available, a dual-core CPU has 200% available, and a quad-core CPU has 400% available. (The column might have been better labeled “% Cores”.) For the System/User/Idle at the bottom of the window, those represent a total of 100% of whatever your hardware comprises. For example, if you have a quad-core CPU, then your total System usage would be 400% of 1.43%, or a total of 5.72% in the “% CPU” column. Similarly, your total User usage would be 400% of 12.03%, or a total of 48.12% in the “% CPU” column. The percentage value for Guild Wars 2  might have been magnified because of its dependence upon your MacBook Pro’s discrete GPU.

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