66.47% is the change from 343 to 571
Calculation steps:
[( 571 - 343 ) ÷ 343] x 100 = 66.47%
Formula
Percentage change = [(571 - 343) / 343] x 100
Subtract the new number by the original number
571 - 343 = 228
228 ÷ 343 = 0.6647230320699709
0.6647230320699709 x 100 = 66.47%