-50.52% is the change from 865 to 428
Calculation steps:
[( 428 - 865 ) ÷ 865] x 100 = -50.52%
Formula
Percentage change = [(428 - 865) / 865] x 100
Subtract the new number by the original number
428 - 865 = -437
-437 ÷ 865 = -0.5052023121387283
-0.5052023121387283 x 100 = -50.52%