-92.46% is the change from 557 to 42
Calculation steps:
[( 42 - 557 ) ÷ 557] x 100 = -92.46%
Formula
Percentage change = [(42 - 557) / 557] x 100
Subtract the new number by the original number
42 - 557 = -515
-515 ÷ 557 = -0.9245960502692998
-0.9245960502692998 x 100 = -92.46%