-50.39% is the change from 766 to 380
Calculation steps:
[( 380 - 766 ) ÷ 766] x 100 = -50.39%
Formula
Percentage change = [(380 - 766) / 766] x 100
Subtract the new number by the original number
380 - 766 = -386
-386 ÷ 766 = -0.5039164490861618
-0.5039164490861618 x 100 = -50.39%