65.51% is the change from 345 to 571
Calculation steps:
[( 571 - 345 ) ÷ 345] x 100 = 65.51%
Formula
Percentage change = [(571 - 345) / 345] x 100
Subtract the new number by the original number
571 - 345 = 226
226 ÷ 345 = 0.6550724637681159
0.6550724637681159 x 100 = 65.51%