-6.14% is the change from 586 to 550
Calculation steps:
[( 550 - 586 ) ÷ 586] x 100 = -6.14%
Formula
Percentage change = [(550 - 586) / 586] x 100
Subtract the new number by the original number
550 - 586 = -36
-36 ÷ 586 = -0.06143344709897611
-0.06143344709897611 x 100 = -6.14%