-5.84% is the change from 308 to 290
Calculation steps:
[( 290 - 308 ) ÷ 308] x 100 = -5.84%
Formula
Percentage change = [(290 - 308) / 308] x 100
Subtract the new number by the original number
290 - 308 = -18
-18 ÷ 308 = -0.05844155844155844
-0.05844155844155844 x 100 = -5.84%