-8.78% is the change from 854 to 779
Calculation steps:
[( 779 - 854 ) ÷ 854] x 100 = -8.78%
Formula
Percentage change = [(779 - 854) / 854] x 100
Subtract the new number by the original number
779 - 854 = -75
-75 ÷ 854 = -0.08782201405152225
-0.08782201405152225 x 100 = -8.78%