-3.96% is the change from 656 to 630
Calculation steps:
[( 630 - 656 ) ÷ 656] x 100 = -3.96%
Formula
Percentage change = [(630 - 656) / 656] x 100
Subtract the new number by the original number
630 - 656 = -26
-26 ÷ 656 = -0.039634146341463415
-0.039634146341463415 x 100 = -3.96%