-42.9% is the change from 683 to 390
Calculation steps:
[( 390 - 683 ) ÷ 683] x 100 = -42.9%
Formula
Percentage change = [(390 - 683) / 683] x 100
Subtract the new number by the original number
390 - 683 = -293
-293 ÷ 683 = -0.4289897510980966
-0.4289897510980966 x 100 = -42.9%