-98.11% is the change from 529 to 10
Calculation steps:
[( 10 - 529 ) ÷ 529] x 100 = -98.11%
Formula
Percentage change = [(10 - 529) / 529] x 100
Subtract the new number by the original number
10 - 529 = -519
-519 ÷ 529 = -0.9810964083175804
-0.9810964083175804 x 100 = -98.11%