-49.37% is the change from 869 to 440
Calculation steps:
[( 440 - 869 ) ÷ 869] x 100 = -49.37%
Formula
Percentage change = [(440 - 869) / 869] x 100
Subtract the new number by the original number
440 - 869 = -429
-429 ÷ 869 = -0.4936708860759494
-0.4936708860759494 x 100 = -49.37%