-62.87% is the change from 773 to 287
Calculation steps:
[( 287 - 773 ) ÷ 773] x 100 = -62.87%
Formula
Percentage change = [(287 - 773) / 773] x 100
Subtract the new number by the original number
287 - 773 = -486
-486 ÷ 773 = -0.628719275549806
-0.628719275549806 x 100 = -62.87%