508.77% is the change from 57 to 347
Calculation steps:
[( 347 - 57 ) ÷ 57] x 100 = 508.77%
Formula
Percentage change = [(347 - 57) / 57] x 100
Subtract the new number by the original number
347 - 57 = 290
290 ÷ 57 = 5.087719298245614
5.087719298245614 x 100 = 508.77%