-56.18% is the change from 890 to 390
Calculation steps:
[( 390 - 890 ) ÷ 890] x 100 = -56.18%
Formula
Percentage change = [(390 - 890) / 890] x 100
Subtract the new number by the original number
390 - 890 = -500
-500 ÷ 890 = -0.5617977528089888
-0.5617977528089888 x 100 = -56.18%