-96.17% is the change from 470 to 18
Calculation steps:
[( 18 - 470 ) ÷ 470] x 100 = -96.17%
Formula
Percentage change = [(18 - 470) / 470] x 100
Subtract the new number by the original number
18 - 470 = -452
-452 ÷ 470 = -0.9617021276595744
-0.9617021276595744 x 100 = -96.17%