-92.15% is the change from 535 to 42
Calculation steps:
[( 42 - 535 ) ÷ 535] x 100 = -92.15%
Formula
Percentage change = [(42 - 535) / 535] x 100
Subtract the new number by the original number
42 - 535 = -493
-493 ÷ 535 = -0.9214953271028037
-0.9214953271028037 x 100 = -92.15%