-96.41% is the change from 529 to 19
Calculation steps:
[( 19 - 529 ) ÷ 529] x 100 = -96.41%
Formula
Percentage change = [(19 - 529) / 529] x 100
Subtract the new number by the original number
19 - 529 = -510
-510 ÷ 529 = -0.9640831758034026
-0.9640831758034026 x 100 = -96.41%