55.61% is the change from 392 to 610
Calculation steps:
[( 610 - 392 ) ÷ 392] x 100 = 55.61%
Formula
Percentage change = [(610 - 392) / 392] x 100
Subtract the new number by the original number
610 - 392 = 218
218 ÷ 392 = 0.5561224489795918
0.5561224489795918 x 100 = 55.61%