-49.36% is the change from 865 to 438
Calculation steps:
[( 438 - 865 ) ÷ 865] x 100 = -49.36%
Formula
Percentage change = [(438 - 865) / 865] x 100
Subtract the new number by the original number
438 - 865 = -427
-427 ÷ 865 = -0.4936416184971098
-0.4936416184971098 x 100 = -49.36%