-13.28% is the change from 949 to 823
Calculation steps:
[( 823 - 949 ) ÷ 949] x 100 = -13.28%
Formula
Percentage change = [(823 - 949) / 949] x 100
Subtract the new number by the original number
823 - 949 = -126
-126 ÷ 949 = -0.1327713382507903
-0.1327713382507903 x 100 = -13.28%