-50.32% is the change from 781 to 388
Calculation steps:
[( 388 - 781 ) ÷ 781] x 100 = -50.32%
Formula
Percentage change = [(388 - 781) / 781] x 100
Subtract the new number by the original number
388 - 781 = -393
-393 ÷ 781 = -0.5032010243277849
-0.5032010243277849 x 100 = -50.32%