-98.9% is the change from 544 to 6
Calculation steps:
[( 6 - 544 ) ÷ 544] x 100 = -98.9%
Formula
Percentage change = [(6 - 544) / 544] x 100
Subtract the new number by the original number
6 - 544 = -538
-538 ÷ 544 = -0.9889705882352942
-0.9889705882352942 x 100 = -98.9%