-50.19% is the change from 781 to 389
Calculation steps:
[( 389 - 781 ) ÷ 781] x 100 = -50.19%
Formula
Percentage change = [(389 - 781) / 781] x 100
Subtract the new number by the original number
389 - 781 = -392
-392 ÷ 781 = -0.5019206145966709
-0.5019206145966709 x 100 = -50.19%