-49.6% is the change from 865 to 436
Calculation steps:
[( 436 - 865 ) ÷ 865] x 100 = -49.6%
Formula
Percentage change = [(436 - 865) / 865] x 100
Subtract the new number by the original number
436 - 865 = -429
-429 ÷ 865 = -0.4959537572254335
-0.4959537572254335 x 100 = -49.6%