-92.34% is the change from 548 to 42
Calculation steps:
[( 42 - 548 ) ÷ 548] x 100 = -92.34%
Formula
Percentage change = [(42 - 548) / 548] x 100
Subtract the new number by the original number
42 - 548 = -506
-506 ÷ 548 = -0.9233576642335767
-0.9233576642335767 x 100 = -92.34%