What value can come in place of the question mark (?) in the question below?

\(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 % qadaGcaaWdaeaapeWaaiWaa8aabaWdbmaabmaapaqaa8qacaaIYaGa % aG4maiaaikdacaaI0aGaey49aGRaaGymaiaaisdaaiaawIcacaGLPa % aacqGHsisldaqadaWdaeaapeGaaGymaiaaiMdacaaI2aGaey49aGRa % aG4naaGaayjkaiaawMcaaiabgUcaRiaaiAdaaiaawUhacaGL9baaaS % qabaaaaa!4A5E! \sqrt {\left\{ {\left( {2324 \div 14} \right) - \left( {196 \div 7} \right) + 6} \right\}} \)​\(\sqrt {\left\{ {\left( {2324 \div 14} \right) - \left( {196 \div 7} \right) + 6} \right\}} \) = ​​​16\(\frac{2}{3}\)​​% of x