-50.06% is the change from 861 to 430
Calculation steps:
[( 430 - 861 ) ÷ 861] x 100 = -50.06%
Formula
Percentage change = [(430 - 861) / 861] x 100
Subtract the new number by the original number
430 - 861 = -431
-431 ÷ 861 = -0.5005807200929152
-0.5005807200929152 x 100 = -50.06%