-5.28% is the change from 644 to 610
Calculation steps:
[( 610 - 644 ) ÷ 644] x 100 = -5.28%
Formula
Percentage change = [(610 - 644) / 644] x 100
Subtract the new number by the original number
610 - 644 = -34
-34 ÷ 644 = -0.052795031055900624
-0.052795031055900624 x 100 = -5.28%