-66.49% is the change from 773 to 259
Calculation steps:
[( 259 - 773 ) ÷ 773] x 100 = -66.49%
Formula
Percentage change = [(259 - 773) / 773] x 100
Subtract the new number by the original number
259 - 773 = -514
-514 ÷ 773 = -0.6649417852522639
-0.6649417852522639 x 100 = -66.49%