-90.07% is the change from 544 to 54
Calculation steps:
[( 54 - 544 ) ÷ 544] x 100 = -90.07%
Formula
Percentage change = [(54 - 544) / 544] x 100
Subtract the new number by the original number
54 - 544 = -490
-490 ÷ 544 = -0.9007352941176471
-0.9007352941176471 x 100 = -90.07%