-52.79% is the change from 949 to 448
Calculation steps:
[( 448 - 949 ) ÷ 949] x 100 = -52.79%
Formula
Percentage change = [(448 - 949) / 949] x 100
Subtract the new number by the original number
448 - 949 = -501
-501 ÷ 949 = -0.5279241306638567
-0.5279241306638567 x 100 = -52.79%