-33.68% is the change from 766 to 508
Calculation steps:
[( 508 - 766 ) ÷ 766] x 100 = -33.68%
Formula
Percentage change = [(508 - 766) / 766] x 100
Subtract the new number by the original number
508 - 766 = -258
-258 ÷ 766 = -0.3368146214099217
-0.3368146214099217 x 100 = -33.68%