-35.17% is the change from 779 to 505
Calculation steps:
[( 505 - 779 ) ÷ 779] x 100 = -35.17%
Formula
Percentage change = [(505 - 779) / 779] x 100
Subtract the new number by the original number
505 - 779 = -274
-274 ÷ 779 = -0.35173299101412064
-0.35173299101412064 x 100 = -35.17%