-92.32% is the change from 547 to 42
Calculation steps:
[( 42 - 547 ) ÷ 547] x 100 = -92.32%
Formula
Percentage change = [(42 - 547) / 547] x 100
Subtract the new number by the original number
42 - 547 = -505
-505 ÷ 547 = -0.923217550274223
-0.923217550274223 x 100 = -92.32%