61.3% is the change from 571 to 921
Calculation steps:
[( 921 - 571 ) ÷ 571] x 100 = 61.3%
Formula
Percentage change = [(921 - 571) / 571] x 100
Subtract the new number by the original number
921 - 571 = 350
350 ÷ 571 = 0.6129597197898424
0.6129597197898424 x 100 = 61.3%