-29.27% is the change from 779 to 551
Calculation steps:
[( 551 - 779 ) ÷ 779] x 100 = -29.27%
Formula
Percentage change = [(551 - 779) / 779] x 100
Subtract the new number by the original number
551 - 779 = -228
-228 ÷ 779 = -0.2926829268292683
-0.2926829268292683 x 100 = -29.27%