-2.92% is the change from 308 to 299
Calculation steps:
[( 299 - 308 ) ÷ 308] x 100 = -2.92%
Formula
Percentage change = [(299 - 308) / 308] x 100
Subtract the new number by the original number
299 - 308 = -9
-9 ÷ 308 = -0.02922077922077922
-0.02922077922077922 x 100 = -2.92%