-6.01% is the change from 649 to 610
Calculation steps:
[( 610 - 649 ) ÷ 649] x 100 = -6.01%
Formula
Percentage change = [(610 - 649) / 649] x 100
Subtract the new number by the original number
610 - 649 = -39
-39 ÷ 649 = -0.060092449922958396
-0.060092449922958396 x 100 = -6.01%