-50.13% is the change from 770 to 384
Calculation steps:
[( 384 - 770 ) ÷ 770] x 100 = -50.13%
Formula
Percentage change = [(384 - 770) / 770] x 100
Subtract the new number by the original number
384 - 770 = -386
-386 ÷ 770 = -0.5012987012987012
-0.5012987012987012 x 100 = -50.13%