-4% is the change from 899 to 863
Calculation steps:
[( 863 - 899 ) ÷ 899] x 100 = -4%
Formula
Percentage change = [(863 - 899) / 899] x 100
Subtract the new number by the original number
863 - 899 = -36
-36 ÷ 899 = -0.04004449388209121
-0.04004449388209121 x 100 = -4%