-13.71% is the change from 642 to 554
Calculation steps:
[( 554 - 642 ) ÷ 642] x 100 = -13.71%
Formula
Percentage change = [(554 - 642) / 642] x 100
Subtract the new number by the original number
554 - 642 = -88
-88 ÷ 642 = -0.13707165109034267
-0.13707165109034267 x 100 = -13.71%