-35.35% is the change from 628 to 406
Calculation steps:
[( 406 - 628 ) ÷ 628] x 100 = -35.35%
Formula
Percentage change = [(406 - 628) / 628] x 100
Subtract the new number by the original number
406 - 628 = -222
-222 ÷ 628 = -0.3535031847133758
-0.3535031847133758 x 100 = -35.35%