68.3% is the change from 571 to 961
Calculation steps:
[( 961 - 571 ) ÷ 571] x 100 = 68.3%
Formula
Percentage change = [(961 - 571) / 571] x 100
Subtract the new number by the original number
961 - 571 = 390
390 ÷ 571 = 0.6830122591943958
0.6830122591943958 x 100 = 68.3%