-34.1% is the change from 780 to 514
Calculation steps:
[( 514 - 780 ) ÷ 780] x 100 = -34.1%
Formula
Percentage change = [(514 - 780) / 780] x 100
Subtract the new number by the original number
514 - 780 = -266
-266 ÷ 780 = -0.34102564102564104
-0.34102564102564104 x 100 = -34.1%