-2.55% is the change from 314 to 306
Calculation steps:
[( 306 - 314 ) ÷ 314] x 100 = -2.55%
Formula
Percentage change = [(306 - 314) / 314] x 100
Subtract the new number by the original number
306 - 314 = -8
-8 ÷ 314 = -0.025477707006369428
-0.025477707006369428 x 100 = -2.55%