-28.59% is the change from 780 to 557
Calculation steps:
[( 557 - 780 ) ÷ 780] x 100 = -28.59%
Formula
Percentage change = [(557 - 780) / 780] x 100
Subtract the new number by the original number
557 - 780 = -223
-223 ÷ 780 = -0.2858974358974359
-0.2858974358974359 x 100 = -28.59%