-33.68% is the change from 769 to 510
Calculation steps:
[( 510 - 769 ) ÷ 769] x 100 = -33.68%
Formula
Percentage change = [(510 - 769) / 769] x 100
Subtract the new number by the original number
510 - 769 = -259
-259 ÷ 769 = -0.3368010403120936
-0.3368010403120936 x 100 = -33.68%