-88.67% is the change from 512 to 58
Calculation steps:
[( 58 - 512 ) ÷ 512] x 100 = -88.67%
Formula
Percentage change = [(58 - 512) / 512] x 100
Subtract the new number by the original number
58 - 512 = -454
-454 ÷ 512 = -0.88671875
-0.88671875 x 100 = -88.67%