-98.35% is the change from 544 to 9
Calculation steps:
[( 9 - 544 ) ÷ 544] x 100 = -98.35%
Formula
Percentage change = [(9 - 544) / 544] x 100
Subtract the new number by the original number
9 - 544 = -535
-535 ÷ 544 = -0.9834558823529411
-0.9834558823529411 x 100 = -98.35%