-92.68% is the change from 779 to 57
Calculation steps:
[( 57 - 779 ) ÷ 779] x 100 = -92.68%
Formula
Percentage change = [(57 - 779) / 779] x 100
Subtract the new number by the original number
57 - 779 = -722
-722 ÷ 779 = -0.926829268292683
-0.926829268292683 x 100 = -92.68%