-6.29% is the change from 334 to 313
Calculation steps:
[( 313 - 334 ) ÷ 334] x 100 = -6.29%
Formula
Percentage change = [(313 - 334) / 334] x 100
Subtract the new number by the original number
313 - 334 = -21
-21 ÷ 334 = -0.06287425149700598
-0.06287425149700598 x 100 = -6.29%