-19.31% is the change from 290 to 234
Calculation steps:
[( 234 - 290 ) ÷ 290] x 100 = -19.31%
Formula
Percentage change = [(234 - 290) / 290] x 100
Subtract the new number by the original number
234 - 290 = -56
-56 ÷ 290 = -0.19310344827586207
-0.19310344827586207 x 100 = -19.31%