-38.33% is the change from 861 to 531
Calculation steps:
[( 531 - 861 ) ÷ 861] x 100 = -38.33%
Formula
Percentage change = [(531 - 861) / 861] x 100
Subtract the new number by the original number
531 - 861 = -330
-330 ÷ 861 = -0.3832752613240418
-0.3832752613240418 x 100 = -38.33%