-11.16% is the change from 251 to 223
Calculation steps:
[( 223 - 251 ) ÷ 251] x 100 = -11.16%
Formula
Percentage change = [(223 - 251) / 251] x 100
Subtract the new number by the original number
223 - 251 = -28
-28 ÷ 251 = -0.11155378486055777
-0.11155378486055777 x 100 = -11.16%