-33.55% is the change from 769 to 511
Calculation steps:
[( 511 - 769 ) ÷ 769] x 100 = -33.55%
Formula
Percentage change = [(511 - 769) / 769] x 100
Subtract the new number by the original number
511 - 769 = -258
-258 ÷ 769 = -0.33550065019505854
-0.33550065019505854 x 100 = -33.55%