-92.06% is the change from 529 to 42
Calculation steps:
[( 42 - 529 ) ÷ 529] x 100 = -92.06%
Formula
Percentage change = [(42 - 529) / 529] x 100
Subtract the new number by the original number
42 - 529 = -487
-487 ÷ 529 = -0.9206049149338374
-0.9206049149338374 x 100 = -92.06%