-9.42% is the change from 520 to 471
Calculation steps:
[( 471 - 520 ) ÷ 520] x 100 = -9.42%
Formula
Percentage change = [(471 - 520) / 520] x 100
Subtract the new number by the original number
471 - 520 = -49
-49 ÷ 520 = -0.09423076923076923
-0.09423076923076923 x 100 = -9.42%