-91.48% is the change from 575 to 49
Calculation steps:
[( 49 - 575 ) ÷ 575] x 100 = -91.48%
Formula
Percentage change = [(49 - 575) / 575] x 100
Subtract the new number by the original number
49 - 575 = -526
-526 ÷ 575 = -0.9147826086956522
-0.9147826086956522 x 100 = -91.48%