-33.89% is the change from 773 to 511
Calculation steps:
[( 511 - 773 ) ÷ 773] x 100 = -33.89%
Formula
Percentage change = [(511 - 773) / 773] x 100
Subtract the new number by the original number
511 - 773 = -262
-262 ÷ 773 = -0.3389391979301423
-0.3389391979301423 x 100 = -33.89%