-21.02% is the change from 628 to 496
Calculation steps:
[( 496 - 628 ) ÷ 628] x 100 = -21.02%
Formula
Percentage change = [(496 - 628) / 628] x 100
Subtract the new number by the original number
496 - 628 = -132
-132 ÷ 628 = -0.21019108280254778
-0.21019108280254778 x 100 = -21.02%