-7.65% is the change from 340 to 314
Calculation steps:
[( 314 - 340 ) ÷ 340] x 100 = -7.65%
Formula
Percentage change = [(314 - 340) / 340] x 100
Subtract the new number by the original number
314 - 340 = -26
-26 ÷ 340 = -0.07647058823529412
-0.07647058823529412 x 100 = -7.65%