-33.12% is the change from 773 to 517
Calculation steps:
[( 517 - 773 ) ÷ 773] x 100 = -33.12%
Formula
Percentage change = [(517 - 773) / 773] x 100
Subtract the new number by the original number
517 - 773 = -256
-256 ÷ 773 = -0.3311772315653299
-0.3311772315653299 x 100 = -33.12%