-9.06% is the change from 949 to 863
Calculation steps:
[( 863 - 949 ) ÷ 949] x 100 = -9.06%
Formula
Percentage change = [(863 - 949) / 949] x 100
Subtract the new number by the original number
863 - 949 = -86
-86 ÷ 949 = -0.09062170706006323
-0.09062170706006323 x 100 = -9.06%