-49.13% is the change from 861 to 438
Calculation steps:
[( 438 - 861 ) ÷ 861] x 100 = -49.13%
Formula
Percentage change = [(438 - 861) / 861] x 100
Subtract the new number by the original number
438 - 861 = -423
-423 ÷ 861 = -0.4912891986062718
-0.4912891986062718 x 100 = -49.13%