-40.06% is the change from 649 to 389
Calculation steps:
[( 389 - 649 ) ÷ 649] x 100 = -40.06%
Formula
Percentage change = [(389 - 649) / 649] x 100
Subtract the new number by the original number
389 - 649 = -260
-260 ÷ 649 = -0.40061633281972264
-0.40061633281972264 x 100 = -40.06%