-39.26% is the change from 833 to 506
Calculation steps:
[( 506 - 833 ) ÷ 833] x 100 = -39.26%
Formula
Percentage change = [(506 - 833) / 833] x 100
Subtract the new number by the original number
506 - 833 = -327
-327 ÷ 833 = -0.39255702280912363
-0.39255702280912363 x 100 = -39.26%