-13.91% is the change from 949 to 817
Calculation steps:
[( 817 - 949 ) ÷ 949] x 100 = -13.91%
Formula
Percentage change = [(817 - 949) / 949] x 100
Subtract the new number by the original number
817 - 949 = -132
-132 ÷ 949 = -0.13909378292939936
-0.13909378292939936 x 100 = -13.91%