16.53% is the change from 490 to 571
Calculation steps:
[( 571 - 490 ) ÷ 490] x 100 = 16.53%
Formula
Percentage change = [(571 - 490) / 490] x 100
Subtract the new number by the original number
571 - 490 = 81
81 ÷ 490 = 0.1653061224489796
0.1653061224489796 x 100 = 16.53%