-48.16% is the change from 949 to 492
Calculation steps:
[( 492 - 949 ) ÷ 949] x 100 = -48.16%
Formula
Percentage change = [(492 - 949) / 949] x 100
Subtract the new number by the original number
492 - 949 = -457
-457 ÷ 949 = -0.4815595363540569
-0.4815595363540569 x 100 = -48.16%