-13.32% is the change from 638 to 553
Calculation steps:
[( 553 - 638 ) ÷ 638] x 100 = -13.32%
Formula
Percentage change = [(553 - 638) / 638] x 100
Subtract the new number by the original number
553 - 638 = -85
-85 ÷ 638 = -0.13322884012539185
-0.13322884012539185 x 100 = -13.32%