-24.03% is the change from 308 to 234
Calculation steps:
[( 234 - 308 ) ÷ 308] x 100 = -24.03%
Formula
Percentage change = [(234 - 308) / 308] x 100
Subtract the new number by the original number
234 - 308 = -74
-74 ÷ 308 = -0.24025974025974026
-0.24025974025974026 x 100 = -24.03%