-47% is the change from 949 to 503
Calculation steps:
[( 503 - 949 ) ÷ 949] x 100 = -47%
Formula
Percentage change = [(503 - 949) / 949] x 100
Subtract the new number by the original number
503 - 949 = -446
-446 ÷ 949 = -0.46996838777660693
-0.46996838777660693 x 100 = -47%