-0.96% is the change from 311 to 308
Calculation steps:
[( 308 - 311 ) ÷ 311] x 100 = -0.96%
Formula
Percentage change = [(308 - 311) / 311] x 100
Subtract the new number by the original number
308 - 311 = -3
-3 ÷ 311 = -0.00964630225080386
-0.00964630225080386 x 100 = -0.96%