-0.32% is the change from 949 to 946
Calculation steps:
[( 946 - 949 ) ÷ 949] x 100 = -0.32%
Formula
Percentage change = [(946 - 949) / 949] x 100
Subtract the new number by the original number
946 - 949 = -3
-3 ÷ 949 = -0.003161222339304531
-0.003161222339304531 x 100 = -0.32%