-1.83% is the change from 656 to 644
Calculation steps:
[( 644 - 656 ) ÷ 656] x 100 = -1.83%
Formula
Percentage change = [(644 - 656) / 656] x 100
Subtract the new number by the original number
644 - 656 = -12
-12 ÷ 656 = -0.018292682926829267
-0.018292682926829267 x 100 = -1.83%