-5.57% is the change from 646 to 610
Calculation steps:
[( 610 - 646 ) ÷ 646] x 100 = -5.57%
Formula
Percentage change = [(610 - 646) / 646] x 100
Subtract the new number by the original number
610 - 646 = -36
-36 ÷ 646 = -0.05572755417956656
-0.05572755417956656 x 100 = -5.57%