-13.86% is the change from 642 to 553
Calculation steps:
[( 553 - 642 ) ÷ 642] x 100 = -13.86%
Formula
Percentage change = [(553 - 642) / 642] x 100
Subtract the new number by the original number
553 - 642 = -89
-89 ÷ 642 = -0.13862928348909656
-0.13862928348909656 x 100 = -13.86%