-3.48% is the change from 488 to 471
Calculation steps:
[( 471 - 488 ) ÷ 488] x 100 = -3.48%
Formula
Percentage change = [(471 - 488) / 488] x 100
Subtract the new number by the original number
471 - 488 = -17
-17 ÷ 488 = -0.03483606557377049
-0.03483606557377049 x 100 = -3.48%