21.23% is the change from 471 to 571
Calculation steps:
[( 571 - 471 ) ÷ 471] x 100 = 21.23%
Formula
Percentage change = [(571 - 471) / 471] x 100
Subtract the new number by the original number
571 - 471 = 100
100 ÷ 471 = 0.21231422505307856
0.21231422505307856 x 100 = 21.23%