-98.91% is the change from 549 to 6
Calculation steps:
[( 6 - 549 ) ÷ 549] x 100 = -98.91%
Formula
Percentage change = [(6 - 549) / 549] x 100
Subtract the new number by the original number
6 - 549 = -543
-543 ÷ 549 = -0.9890710382513661
-0.9890710382513661 x 100 = -98.91%