-25.56% is the change from 223 to 166
Calculation steps:
[( 166 - 223 ) ÷ 223] x 100 = -25.56%
Formula
Percentage change = [(166 - 223) / 223] x 100
Subtract the new number by the original number
166 - 223 = -57
-57 ÷ 223 = -0.2556053811659193
-0.2556053811659193 x 100 = -25.56%