-15.32% is the change from 470 to 398
Calculation steps:
[( 398 - 470 ) ÷ 470] x 100 = -15.32%
Formula
Percentage change = [(398 - 470) / 470] x 100
Subtract the new number by the original number
398 - 470 = -72
-72 ÷ 470 = -0.15319148936170213
-0.15319148936170213 x 100 = -15.32%