-15.53% is the change from 470 to 397
Calculation steps:
[( 397 - 470 ) ÷ 470] x 100 = -15.53%
Formula
Percentage change = [(397 - 470) / 470] x 100
Subtract the new number by the original number
397 - 470 = -73
-73 ÷ 470 = -0.15531914893617021
-0.15531914893617021 x 100 = -15.53%