-91.71% is the change from 579 to 48
Calculation steps:
[( 48 - 579 ) ÷ 579] x 100 = -91.71%
Formula
Percentage change = [(48 - 579) / 579] x 100
Subtract the new number by the original number
48 - 579 = -531
-531 ÷ 579 = -0.917098445595855
-0.917098445595855 x 100 = -91.71%