-42.97% is the change from 391 to 223
Calculation steps:
[( 223 - 391 ) ÷ 391] x 100 = -42.97%
Formula
Percentage change = [(223 - 391) / 391] x 100
Subtract the new number by the original number
223 - 391 = -168
-168 ÷ 391 = -0.4296675191815857
-0.4296675191815857 x 100 = -42.97%