-42.82% is the change from 390 to 223
Calculation steps:
[( 223 - 390 ) ÷ 390] x 100 = -42.82%
Formula
Percentage change = [(223 - 390) / 390] x 100
Subtract the new number by the original number
223 - 390 = -167
-167 ÷ 390 = -0.4282051282051282
-0.4282051282051282 x 100 = -42.82%