-1.26% is the change from 318 to 314
Calculation steps:
[( 314 - 318 ) ÷ 318] x 100 = -1.26%
Formula
Percentage change = [(314 - 318) / 318] x 100
Subtract the new number by the original number
314 - 318 = -4
-4 ÷ 318 = -0.012578616352201259
-0.012578616352201259 x 100 = -1.26%