-99.24% is the change from 524 to 4
Calculation steps:
[( 4 - 524 ) ÷ 524] x 100 = -99.24%
Formula
Percentage change = [(4 - 524) / 524] x 100
Subtract the new number by the original number
4 - 524 = -520
-520 ÷ 524 = -0.9923664122137404
-0.9923664122137404 x 100 = -99.24%