-32.11% is the change from 766 to 520
Calculation steps:
[( 520 - 766 ) ÷ 766] x 100 = -32.11%
Formula
Percentage change = [(520 - 766) / 766] x 100
Subtract the new number by the original number
520 - 766 = -246
-246 ÷ 766 = -0.32114882506527415
-0.32114882506527415 x 100 = -32.11%