-55.32% is the change from 949 to 424
Calculation steps:
[( 424 - 949 ) ÷ 949] x 100 = -55.32%
Formula
Percentage change = [(424 - 949) / 949] x 100
Subtract the new number by the original number
424 - 949 = -525
-525 ÷ 949 = -0.553213909378293
-0.553213909378293 x 100 = -55.32%