-32.9% is the change from 772 to 518
Calculation steps:
[( 518 - 772 ) ÷ 772] x 100 = -32.9%
Formula
Percentage change = [(518 - 772) / 772] x 100
Subtract the new number by the original number
518 - 772 = -254
-254 ÷ 772 = -0.3290155440414508
-0.3290155440414508 x 100 = -32.9%