-8.6% is the change from 605 to 553
Calculation steps:
[( 553 - 605 ) ÷ 605] x 100 = -8.6%
Formula
Percentage change = [(553 - 605) / 605] x 100
Subtract the new number by the original number
553 - 605 = -52
-52 ÷ 605 = -0.0859504132231405
-0.0859504132231405 x 100 = -8.6%