-30.94% is the change from 223 to 154
Calculation steps:
[( 154 - 223 ) ÷ 223] x 100 = -30.94%
Formula
Percentage change = [(154 - 223) / 223] x 100
Subtract the new number by the original number
154 - 223 = -69
-69 ÷ 223 = -0.3094170403587444
-0.3094170403587444 x 100 = -30.94%