-50.32% is the change from 779 to 387
Calculation steps:
[( 387 - 779 ) ÷ 779] x 100 = -50.32%
Formula
Percentage change = [(387 - 779) / 779] x 100
Subtract the new number by the original number
387 - 779 = -392
-392 ÷ 779 = -0.503209242618742
-0.503209242618742 x 100 = -50.32%