-5.09% is the change from 334 to 317
Calculation steps:
[( 317 - 334 ) ÷ 334] x 100 = -5.09%
Formula
Percentage change = [(317 - 334) / 334] x 100
Subtract the new number by the original number
317 - 334 = -17
-17 ÷ 334 = -0.05089820359281437
-0.05089820359281437 x 100 = -5.09%