-37.35% is the change from 648 to 406
Calculation steps:
[( 406 - 648 ) ÷ 648] x 100 = -37.35%
Formula
Percentage change = [(406 - 648) / 648] x 100
Subtract the new number by the original number
406 - 648 = -242
-242 ÷ 648 = -0.3734567901234568
-0.3734567901234568 x 100 = -37.35%