-15.87% is the change from 649 to 546
Calculation steps:
[( 546 - 649 ) ÷ 649] x 100 = -15.87%
Formula
Percentage change = [(546 - 649) / 649] x 100
Subtract the new number by the original number
546 - 649 = -103
-103 ÷ 649 = -0.15870570107858242
-0.15870570107858242 x 100 = -15.87%