53.63% is the change from 399 to 613
Calculation steps:
[( 613 - 399 ) ÷ 399] x 100 = 53.63%
Formula
Percentage change = [(613 - 399) / 399] x 100
Subtract the new number by the original number
613 - 399 = 214
214 ÷ 399 = 0.5363408521303258
0.5363408521303258 x 100 = 53.63%