-16.18% is the change from 649 to 544
Calculation steps:
[( 544 - 649 ) ÷ 649] x 100 = -16.18%
Formula
Percentage change = [(544 - 649) / 649] x 100
Subtract the new number by the original number
544 - 649 = -105
-105 ÷ 649 = -0.1617873651771957
-0.1617873651771957 x 100 = -16.18%