-33.2% is the change from 765 to 511
Calculation steps:
[( 511 - 765 ) ÷ 765] x 100 = -33.2%
Formula
Percentage change = [(511 - 765) / 765] x 100
Subtract the new number by the original number
511 - 765 = -254
-254 ÷ 765 = -0.33202614379084966
-0.33202614379084966 x 100 = -33.2%
Example