36.87% is the change from 613 to 839
Calculation steps:
[( 839 - 613 ) ÷ 613] x 100 = 36.87%
Formula
Percentage change = [(839 - 613) / 613] x 100
Subtract the new number by the original number
839 - 613 = 226
226 ÷ 613 = 0.36867862969004894
0.36867862969004894 x 100 = 36.87%