-0.92% is the change from 652 to 646
Calculation steps:
[( 646 - 652 ) ÷ 652] x 100 = -0.92%
Formula
Percentage change = [(646 - 652) / 652] x 100
Subtract the new number by the original number
646 - 652 = -6
-6 ÷ 652 = -0.009202453987730062
-0.009202453987730062 x 100 = -0.92%