-43.07% is the change from 685 to 390
Calculation steps:
[( 390 - 685 ) ÷ 685] x 100 = -43.07%
Formula
Percentage change = [(390 - 685) / 685] x 100
Subtract the new number by the original number
390 - 685 = -295
-295 ÷ 685 = -0.4306569343065693
-0.4306569343065693 x 100 = -43.07%