-97.39% is the change from 575 to 15
Calculation steps:
[( 15 - 575 ) ÷ 575] x 100 = -97.39%
Formula
Percentage change = [(15 - 575) / 575] x 100
Subtract the new number by the original number
15 - 575 = -560
-560 ÷ 575 = -0.9739130434782609
-0.9739130434782609 x 100 = -97.39%