122.18% is the change from 257 to 571
Calculation steps:
[( 571 - 257 ) ÷ 257] x 100 = 122.18%
Formula
Percentage change = [(571 - 257) / 257] x 100
Subtract the new number by the original number
571 - 257 = 314
314 ÷ 257 = 1.2217898832684826
1.2217898832684826 x 100 = 122.18%