64.55% is the change from 347 to 571
Calculation steps:
[( 571 - 347 ) ÷ 347] x 100 = 64.55%
Formula
Percentage change = [(571 - 347) / 347] x 100
Subtract the new number by the original number
571 - 347 = 224
224 ÷ 347 = 0.6455331412103746
0.6455331412103746 x 100 = 64.55%