-6.89% is the change from 334 to 311
Calculation steps:
[( 311 - 334 ) ÷ 334] x 100 = -6.89%
Formula
Percentage change = [(311 - 334) / 334] x 100
Subtract the new number by the original number
311 - 334 = -23
-23 ÷ 334 = -0.0688622754491018
-0.0688622754491018 x 100 = -6.89%