-29.29% is the change from 949 to 671
Calculation steps:
[( 671 - 949 ) ÷ 949] x 100 = -29.29%
Formula
Percentage change = [(671 - 949) / 949] x 100
Subtract the new number by the original number
671 - 949 = -278
-278 ÷ 949 = -0.2929399367755532
-0.2929399367755532 x 100 = -29.29%