-3.65% is the change from 657 to 633
Calculation steps:
[( 633 - 657 ) ÷ 657] x 100 = -3.65%
Formula
Percentage change = [(633 - 657) / 657] x 100
Subtract the new number by the original number
633 - 657 = -24
-24 ÷ 657 = -0.0365296803652968
-0.0365296803652968 x 100 = -3.65%