-87.1% is the change from 442 to 57
Calculation steps:
[( 57 - 442 ) ÷ 442] x 100 = -87.1%
Formula
Percentage change = [(57 - 442) / 442] x 100
Subtract the new number by the original number
57 - 442 = -385
-385 ÷ 442 = -0.8710407239819005
-0.8710407239819005 x 100 = -87.1%