-38.58% is the change from 832 to 511
Calculation steps:
[( 511 - 832 ) ÷ 832] x 100 = -38.58%
Formula
Percentage change = [(511 - 832) / 832] x 100
Subtract the new number by the original number
511 - 832 = -321
-321 ÷ 832 = -0.3858173076923077
-0.3858173076923077 x 100 = -38.58%