-7.19% is the change from 334 to 310
Calculation steps:
[( 310 - 334 ) ÷ 334] x 100 = -7.19%
Formula
Percentage change = [(310 - 334) / 334] x 100
Subtract the new number by the original number
310 - 334 = -24
-24 ÷ 334 = -0.0718562874251497
-0.0718562874251497 x 100 = -7.19%