-90.91% is the change from 462 to 42
Calculation steps:
[( 42 - 462 ) ÷ 462] x 100 = -90.91%
Formula
Percentage change = [(42 - 462) / 462] x 100
Subtract the new number by the original number
42 - 462 = -420
-420 ÷ 462 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%