-13.57% is the change from 641 to 554
Calculation steps:
[( 554 - 641 ) ÷ 641] x 100 = -13.57%
Formula
Percentage change = [(554 - 641) / 641] x 100
Subtract the new number by the original number
554 - 641 = -87
-87 ÷ 641 = -0.1357254290171607
-0.1357254290171607 x 100 = -13.57%