-99.1% is the change from 442 to 4
Calculation steps:
[( 4 - 442 ) ÷ 442] x 100 = -99.1%
Formula
Percentage change = [(4 - 442) / 442] x 100
Subtract the new number by the original number
4 - 442 = -438
-438 ÷ 442 = -0.9909502262443439
-0.9909502262443439 x 100 = -99.1%