13.07% is the change from 505 to 571
Calculation steps:
[( 571 - 505 ) ÷ 505] x 100 = 13.07%
Formula
Percentage change = [(571 - 505) / 505] x 100
Subtract the new number by the original number
571 - 505 = 66
66 ÷ 505 = 0.1306930693069307
0.1306930693069307 x 100 = 13.07%