-90.85% is the change from 579 to 53
Calculation steps:
[( 53 - 579 ) ÷ 579] x 100 = -90.85%
Formula
Percentage change = [(53 - 579) / 579] x 100
Subtract the new number by the original number
53 - 579 = -526
-526 ÷ 579 = -0.9084628670120898
-0.9084628670120898 x 100 = -90.85%