-28.7% is the change from 223 to 159
Calculation steps:
[( 159 - 223 ) ÷ 223] x 100 = -28.7%
Formula
Percentage change = [(159 - 223) / 223] x 100
Subtract the new number by the original number
159 - 223 = -64
-64 ÷ 223 = -0.28699551569506726
-0.28699551569506726 x 100 = -28.7%