66.96% is the change from 342 to 571
Calculation steps:
[( 571 - 342 ) ÷ 342] x 100 = 66.96%
Formula
Percentage change = [(571 - 342) / 342] x 100
Subtract the new number by the original number
571 - 342 = 229
229 ÷ 342 = 0.6695906432748538
0.6695906432748538 x 100 = 66.96%