-92.5% is the change from 560 to 42
Calculation steps:
[( 42 - 560 ) ÷ 560] x 100 = -92.5%
Formula
Percentage change = [(42 - 560) / 560] x 100
Subtract the new number by the original number
42 - 560 = -518
-518 ÷ 560 = -0.925
-0.925 x 100 = -92.5%
Example