-90.5% is the change from 442 to 42
Calculation steps:
[( 42 - 442 ) ÷ 442] x 100 = -90.5%
Formula
Percentage change = [(42 - 442) / 442] x 100
Subtract the new number by the original number
42 - 442 = -400
-400 ÷ 442 = -0.9049773755656109
-0.9049773755656109 x 100 = -90.5%