-13.46% is the change from 639 to 553
Calculation steps:
[( 553 - 639 ) ÷ 639] x 100 = -13.46%
Formula
Percentage change = [(553 - 639) / 639] x 100
Subtract the new number by the original number
553 - 639 = -86
-86 ÷ 639 = -0.13458528951486698
-0.13458528951486698 x 100 = -13.46%