-23.1% is the change from 290 to 223
Calculation steps:
[( 223 - 290 ) ÷ 290] x 100 = -23.1%
Formula
Percentage change = [(223 - 290) / 290] x 100
Subtract the new number by the original number
223 - 290 = -67
-67 ÷ 290 = -0.23103448275862068
-0.23103448275862068 x 100 = -23.1%