-93.51% is the change from 462 to 30
Calculation steps:
[( 30 - 462 ) ÷ 462] x 100 = -93.51%
Formula
Percentage change = [(30 - 462) / 462] x 100
Subtract the new number by the original number
30 - 462 = -432
-432 ÷ 462 = -0.935064935064935
-0.935064935064935 x 100 = -93.51%