-49.6% is the change from 869 to 438
Calculation steps:
[( 438 - 869 ) ÷ 869] x 100 = -49.6%
Formula
Percentage change = [(438 - 869) / 869] x 100
Subtract the new number by the original number
438 - 869 = -431
-431 ÷ 869 = -0.49597238204833144
-0.49597238204833144 x 100 = -49.6%