-49.74% is the change from 949 to 477
Calculation steps:
[( 477 - 949 ) ÷ 949] x 100 = -49.74%
Formula
Percentage change = [(477 - 949) / 949] x 100
Subtract the new number by the original number
477 - 949 = -472
-472 ÷ 949 = -0.49736564805057953
-0.49736564805057953 x 100 = -49.74%