-33.51% is the change from 764 to 508
Calculation steps:
[( 508 - 764 ) ÷ 764] x 100 = -33.51%
Formula
Percentage change = [(508 - 764) / 764] x 100
Subtract the new number by the original number
508 - 764 = -256
-256 ÷ 764 = -0.33507853403141363
-0.33507853403141363 x 100 = -33.51%