-2.53% is the change from 316 to 308
Calculation steps:
[( 308 - 316 ) ÷ 316] x 100 = -2.53%
Formula
Percentage change = [(308 - 316) / 316] x 100
Subtract the new number by the original number
308 - 316 = -8
-8 ÷ 316 = -0.02531645569620253
-0.02531645569620253 x 100 = -2.53%