-47.77% is the change from 628 to 328
Calculation steps:
[( 328 - 628 ) ÷ 628] x 100 = -47.77%
Formula
Percentage change = [(328 - 628) / 628] x 100
Subtract the new number by the original number
328 - 628 = -300
-300 ÷ 628 = -0.47770700636942676
-0.47770700636942676 x 100 = -47.77%