-93.6% is the change from 469 to 30
Calculation steps:
[( 30 - 469 ) ÷ 469] x 100 = -93.6%
Formula
Percentage change = [(30 - 469) / 469] x 100
Subtract the new number by the original number
30 - 469 = -439
-439 ÷ 469 = -0.9360341151385928
-0.9360341151385928 x 100 = -93.6%