-43.91% is the change from 394 to 221
Calculation steps:
[( 221 - 394 ) ÷ 394] x 100 = -43.91%
Formula
Percentage change = [(221 - 394) / 394] x 100
Subtract the new number by the original number
221 - 394 = -173
-173 ÷ 394 = -0.43908629441624364
-0.43908629441624364 x 100 = -43.91%