-92% is the change from 525 to 42
Calculation steps:
[( 42 - 525 ) ÷ 525] x 100 = -92%
Formula
Percentage change = [(42 - 525) / 525] x 100
Subtract the new number by the original number
42 - 525 = -483
-483 ÷ 525 = -0.92
-0.92 x 100 = -92%
Example