-8.66% is the change from 554 to 506
Calculation steps:
[( 506 - 554 ) ÷ 554] x 100 = -8.66%
Formula
Percentage change = [(506 - 554) / 554] x 100
Subtract the new number by the original number
506 - 554 = -48
-48 ÷ 554 = -0.08664259927797834
-0.08664259927797834 x 100 = -8.66%