-42.69% is the change from 670 to 384
Calculation steps:
[( 384 - 670 ) ÷ 670] x 100 = -42.69%
Formula
Percentage change = [(384 - 670) / 670] x 100
Subtract the new number by the original number
384 - 670 = -286
-286 ÷ 670 = -0.42686567164179107
-0.42686567164179107 x 100 = -42.69%